Ruka Rengoku, the beloved mother of the Flame Hashira in Demon Slayer: Kimetsu no Yaiba, carries a quiet strength wrapped in maternal warmth. Her official color palette captures this duality beautifully. The deep Eerie Black (#1B1B1B) of her flowing hair anchors the composition, while the rich Cardinal (#C41E3A) of her kimono speaks to her sacrificial love. Warm golden accents in Pizza (#D4A017) echo the flame-spirit gaze passed down through the Rengoku bloodline. For designers seeking Demon Slayer character color codes, Ruka’s five-shade palette offers a masterclass in balancing darkness, passion, and tenderness within a single cohesive visual identity.
Ruka Rengoku Demon Slayer Color Codes: HEX, RGB, CMYK
| Preview | Color Name | HEX | RGB | CMYK |
|---|---|---|---|---|
| Eerie Black | #1B1B1B | 27, 27, 27 | 0, 0, 0, 89 | |
| Cardinal | #C41E3A | 196, 30, 58 | 0, 85, 70, 23 | |
| Pizza | #D4A017 | 212, 160, 23 | 0, 25, 89, 17 | |
| Hot Cinnamon | #E25822 | 226, 88, 34 | 0, 61, 85, 11 | |
| Sazerac | #FFF3E0 | 255, 243, 224 | 0, 5, 12, 0 |
Ruka Rengoku CSS & Tailwind Color Variables
Select your preferred format and copy the ready-to-use CSS variables for your web projects.
:root {
/* Ruka Rengoku Demon Slayer Palette */
--ruka-rengoku-demon-slayer-eerie-black: #1B1B1B;
--ruka-rengoku-demon-slayer-cardinal: #C41E3A;
--ruka-rengoku-demon-slayer-pizza: #D4A017;
--ruka-rengoku-demon-slayer-hot-cinnamon: #E25822;
--ruka-rengoku-demon-slayer-sazerac: #FFF3E0;
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Ruka Rengoku CSS Gradients
Beautiful gradient backgrounds inspired by Ruka Rengoku’s aesthetic. Click to copy the CSS code.
Ruka Rengoku Color Scheme Breakdown
Eerie Black#1B1B1B
This near-black shade defines Ruka Rengoku’s long, straight hair flowing past her shoulders, grounding her gentle maternal presence within the flame-themed Rengoku lineage.
Cardinal#C41E3A
This deep crimson red dominates Ruka’s traditional kimono, symbolizing the burning love and quiet sacrifice she embodies as the mother of the Flame Hashira.
Pizza#D4A017
This warm golden-amber appears in Ruka’s eyes, mirroring the inherited flame-spirit gaze shared across the Rengoku bloodline and conveying inner warmth.
Hot Cinnamon#E25822
This vivid flame-orange accents the inner layers and obi trim of Ruka’s outfit, reinforcing the Rengoku family’s eternal connection to fire and passion.
Sazerac#FFF3E0
This soft warm cream highlights Ruka’s skin tone and the inner collar of her kimono, adding a tender, ethereal softness to her fleeting flashback appearance.
Ruka Rengoku 60-30-10 Design Rule
Apply the classic 60-30-10 UI design rule using Ruka Rengoku’s palette for a perfectly balanced visual hierarchy.
Ruka Rengoku UI Component Preview
Here is a live example of how the Ruka Rengoku color palette looks when applied to a modern UI component.
Ruka Rengoku
Gentle Flame Matriarch
“You were born with a mission to protect those who are weaker than you.”
Ruka Rengoku Gaming Setup (RGB Peripherals)
Sync your gaming gear! Use these exact RGB values for your Razer Chroma, Corsair iCUE, or Logitech G Hub software to match Ruka Rengoku’s aesthetic.
- Main LED: 27, 27, 27
- Accent LED: 196, 30, 58
The Design Philosophy behind Ruka Rengoku’s Palette
The Rengoku family color codes are engineered around a fire-and-night duality, and Ruka’s palette exemplifies this philosophy with remarkable restraint. Ufotable’s design team anchors her silhouette in Eerie Black (#1B1B1B), creating visual gravity that mirrors her role as the emotional bedrock of the household. Against this darkness, Cardinal (#C41E3A) and Hot Cinnamon (#E25822) layer progressively warmer hues, mapping the intensity gradient of a living flame from core to tip. The single golden note of Pizza (#D4A017) in her eyes functions as a narrative device—connecting her to the broader Rengoku lineage without overpowering her gentle demeanor. Finally, Sazerac (#FFF3E0) provides breathing room, preventing the palette from becoming oppressive. This five-color HEX system succeeds because every shade serves both aesthetic contrast and emotional storytelling, making Ruka’s color codes highly versatile for UI gradients, branding, and illustration projects.
Best Ruka Rengoku Color Combinations
Midnight Ember Contrast
Pairing near-black Eerie Black with Cardinal red creates a dramatic high-contrast duo ideal for hero sections, dark-mode UI cards, and bold typographic layouts where text legibility and emotional intensity must coexist.
Warm Glow Gradient
Hot Cinnamon flowing into Sazerac cream produces a natural warm-to-light gradient perfect for background transitions, CTA buttons, and soft illustrative overlays that evoke comfort without sacrificing vibrancy.
Explore More Demon Slayer Character Color Codes
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Download Ruka Rengoku Demon Slayer Color Palette
Ruka Rengoku .ASE Swatches
For Adobe Swatches & Procreate
Ruka Rengoku .SVG Palette
Vector Color Palette
Ruka Rengoku .PNG Image
High-Quality Palette Preview
FAQs about Ruka Rengoku Demon Slayer Color Codes
What is the exact HEX code for Ruka Rengoku’s hair color in Demon Slayer?
Ruka Rengoku’s long, straight hair uses the HEX code #1B1B1B, a near-black shade officially named Eerie Black, which grounds her silhouette and emphasizes her calm, maternal presence within the flame-themed Rengoku family.
What color is Ruka Rengoku’s kimono and what is its HEX value?
Ruka’s traditional kimono is rendered in Cardinal red with the HEX code #C41E3A (RGB 196, 30, 58). This deep crimson dominates her outfit and symbolizes the burning love and quiet sacrifice she embodies as the Flame Hashira’s mother.
What accent color appears on Ruka Rengoku’s obi trim and inner outfit layers?
The vivid flame-orange accent on Ruka’s obi trim and inner layers uses the HEX code #E25822, known as Hot Cinnamon, reinforcing the Rengoku bloodline’s eternal connection to fire, passion, and warmth.
