66729B

COLOR
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S 4030-R70B

NCS Natural Colour System
sRGB Model ? COPY
R 102
G 114
B 155
HSL Model ? COPY
H 226°
S 21%
L 50%
CMYK Print ? COPY
C 34
M 26
Y 0
K 39
CIE-Lab ? COPY
L 48.54
a 5.77
b -23.63
CIE-XYZ ? COPY
X 17.41
Y 17.23
Z 33.42
OKLCH (Next-Gen) ? COPY
L 55.84%
C 0.066
H 271.6
HSB Model ? COPY
H 226°
S 34%
B 61%
HWB Model ? COPY
H 226°
W 40%
B 39%
CIE-LUV ? COPY
L 48.54
u -7.96
v -35.39

WCAG Accessibility Score

Sample Text
4.72
AA: PASS / AAA: FAIL
Sample Text
4.45
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #6b6b91
Deuteranopia #6a698e
Tritanopia #668987
Achromatopsia #737373

TINTS

TONES

Physical Match

Closest Standard Match

2103 U

SET: 潘通专色胶版色卡
DELTA E: 0.19

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

R70B

Developer Handoff

CSS Variables 
:root {
  --s-4030-r70b: #66729B;
}
Tailwind Config 
colors: {
  's-4030-r70b': '#66729B',
}
SCSS / Sass 
$s-4030-r70b: #66729B;
Design Token 
{
    "name": "S 4030-R70B",
    "value": "#66729B"
}

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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