681837

COLOR
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S 5040-R20B

NCS Natural Colour System
sRGB Model ? COPY
R 104
G 24
B 55
HSL Model ? COPY
H 337°
S 63%
L 25%
CMYK Print ? COPY
C 0
M 77
Y 47
K 59
CIE-Lab ? COPY
L 23.24
a 37.65
b 1.14
CIE-XYZ ? COPY
X 6.73
Y 3.87
Z 4.01
OKLCH (Next-Gen) ? COPY
L 35.34%
C 0.115
H 1.7
HSB Model ? COPY
H 337°
S 77%
B 41%
HWB Model ? COPY
H 337°
W 9%
B 59%
CIE-LUV ? COPY
L 23.24
u 46.02
v -4.45

WCAG Accessibility Score

Sample Text
11.83
AA: PASS / AAA: PASS
Sample Text
1.77
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #45442f
Deuteranopia #4a502d
Tritanopia #642928
Achromatopsia #333333

TINTS

TONES

Physical Match

Closest Standard Match

7421 XGC

SET: 潘通广色域色卡
DELTA E: 1.65

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

R20B

Developer Handoff

CSS Variables 
:root {
  --s-5040-r20b: #681837;
}
Tailwind Config 
colors: {
  's-5040-r20b': '#681837',
}
SCSS / Sass 
$s-5040-r20b: #681837;
Design Token 
{
    "name": "S 5040-R20B",
    "value": "#681837"
}

UI Application / Simulation

Real-time UI Preview

View the actual rendering effect of this color in dashboards, mobile apps, chat interfaces, calendars, etc.
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Open UI Kit

Similar Colors

7421 XGC
#6B1A35
7421 C
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#621D34
RAL 4004
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2357 CP
#651641