3F1E37

COLOR
← PREV | NEXT →

S 7020-R40B

NCS Natural Colour System
sRGB Model ? COPY
R 63
G 30
B 55
HSL Model ? COPY
H 315°
S 35%
L 18%
CMYK Print ? COPY
C 0
M 52
Y 13
K 75
CIE-Lab ? COPY
L 16.8
a 20.13
b -9.27
CIE-XYZ ? COPY
X 3.2
Y 2.26
Z 3.88
OKLCH (Next-Gen) ? COPY
L 29.09%
C 0.064
H 336.9
HSB Model ? COPY
H 315°
S 52%
B 25%
HWB Model ? COPY
H 315°
W 12%
B 75%
CIE-LUV ? COPY
L 16.8
u 14.18
v -11.15

WCAG Accessibility Score

Sample Text
14.46
AA: PASS / AAA: PASS
Sample Text
1.45
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #303030
Deuteranopia #32352f
Tritanopia #3d2c2b
Achromatopsia #2a2a2a

TINTS

TONES

Physical Match

Closest Standard Match

RAL 4007-P

SET: 德国RAL-Plastics P1
DELTA E: 2.15

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

R40B

Developer Handoff

CSS Variables 
:root {
  --s-7020-r40b: #3F1E37;
}
Tailwind Config 
colors: {
  's-7020-r40b': '#3F1E37',
}
SCSS / Sass 
$s-7020-r40b: #3F1E37;
Design Token 
{
    "name": "S 7020-R40B",
    "value": "#3F1E37"
}

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

Similar Colors

Biqizi
#411C35
431E39
#431E39
7449 CP
#3F2537
2430
#3B243A
S 7020-R30B
#471F35