B31D30

COLOR
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2491

Japan DIC Color Guide / DIC Color Guide
sRGB Model ? COPY
R 179
G 29
B 48
HSL Model ? COPY
H 352°
S 72%
L 41%
CMYK Print ? COPY
C 0
M 84
Y 73
K 30
CIE-Lab ? COPY
L 39.03
a 58.02
b 29.37
CIE-XYZ ? COPY
X 19.56
Y 10.68
Z 3.83
OKLCH (Next-Gen) ? COPY
L 49.7%
C 0.183
H 21.5
HSB Model ? COPY
H 352°
S 84%
B 70%
HWB Model ? COPY
H 352°
W 11%
B 30%
CIE-LUV ? COPY
L 39.03
u 107.3
v 17.37

WCAG Accessibility Score

Sample Text
6.7
AA: PASS / AAA: FAIL
Sample Text
3.14
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #72702b
Deuteranopia #7a862a
Tritanopia #ab2726
Achromatopsia #4c4c4c

TINTS

TONES

Physical Match

Closest Standard Match

1805 XGC

SET: 潘通广色域色卡
DELTA E: 1.17

HARMONIES

Complementary
Analogous
Split Complementary
Triadic
Tetradic
Monochromatic

Smart Gradients

COPY CSS
Basic Light
COPY CSS
Deep Gravity
COPY CSS
Aurora Flow
COPY CSS
Cyber Clash
COPY CSS
Soft Mist

Developer Handoff

CSS Variables 
:root {
  --color-12863: #B31D30;
}
Tailwind Config 
colors: {
  'color-12863': '#B31D30',
}
SCSS / Sass 
$color-12863: #B31D30;
Design Token 
{
    "name": "2491",
    "value": "#B31D30"
}

UI Application / Simulation

Real-time UI Preview

View the actual rendering effect of this color in dashboards, mobile apps, chat interfaces, calendars, etc.
Click to open full-screen immersive preview.

Open UI Kit

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