660000

COLOR
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660000

Web Safe Colors
sRGB Model ? COPY
R 102
G 0
B 0
HSL Model ? COPY
H 0°
S 100%
L 20%
CMYK Print ? COPY
C 0
M 100
Y 100
K 60
CIE-Lab ? COPY
L 19.33
a 40.88
b 29.66
CIE-XYZ ? COPY
X 5.48
Y 2.82
Z 0.26
OKLCH (Next-Gen) ? COPY
L 32.04%
C 0.131
H 29.2
HSB Model ? COPY
H 0°
S 100%
B 40%
HWB Model ? COPY
H 0°
W 0%
B 60%
CIE-LUV ? COPY
L 19.33
u 63.56
v 13.71

WCAG Accessibility Score

Sample Text
13.42
AA: PASS / AAA: PASS
Sample Text
1.56
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #393800
Deuteranopia #3f4700
Tritanopia #600000
Achromatopsia #1e1e1e

TINTS

TONES

Physical Match

Closest Standard Match

RAL 3011

SET: 德国RAL-Classic
DELTA E: 7.53

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

Description

あざやかな赤系の色

Developer Handoff

CSS Variables 
:root {
  --color-3558: #660000;
}
Tailwind Config 
colors: {
  'color-3558': '#660000',
}
SCSS / Sass 
$color-3558: #660000;
Design Token 
{
    "name": "660000",
    "value": "#660000"
}

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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