004040

COLOR
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Rich Black

Color Psychology & Meanings / nong hei
sRGB Model ? COPY
R 0
G 64
B 64
HSL Model ? COPY
H 180°
S 100%
L 13%
CMYK Print ? COPY
C 100
M 0
Y 0
K 75
CIE-Lab ? COPY
L 23.79
a -17.86
b -5.25
CIE-XYZ ? COPY
X 2.76
Y 4.04
Z 5.48
OKLCH (Next-Gen) ? COPY
L 33.64%
C 0.057
H 194.8
HSB Model ? COPY
H 180°
S 100%
B 25%
HWB Model ? COPY
H 180°
W 0%
B 75%
CIE-LUV ? COPY
L 23.79
u -18.4
v -3.97

WCAG Accessibility Score

Sample Text
11.62
AA: PASS / AAA: PASS
Sample Text
1.81
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #1b1c40
Deuteranopia #181340
Tritanopia #034040
Achromatopsia #2c2c2c

TINTS

TONES

Physical Match

Closest Standard Match

P 126-16 C

SET: 潘通CMYK四色铜版色卡
DELTA E: 2.01

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

Rich Black

Developer Handoff

CSS Variables 
:root {
  --rich-black: #004040;
}
Tailwind Config 
colors: {
  'rich-black': '#004040',
}
SCSS / Sass 
$rich-black: #004040;
Design Token 
{
    "name": "Rich Black",
    "value": "#004040"
}

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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