004B57

COLOR
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S 5540-B30G

NCS Natural Colour System
sRGB Model ? COPY
R 0
G 75
B 87
HSL Model ? COPY
H 188°
S 100%
L 17%
CMYK Print ? COPY
C 100
M 14
Y 0
K 66
CIE-Lab ? COPY
L 28.7
a -15.37
b -12.87
CIE-XYZ ? COPY
X 4.24
Y 5.72
Z 9.9
OKLCH (Next-Gen) ? COPY
L 37.92%
C 0.066
H 212.9
HSB Model ? COPY
H 188°
S 100%
B 34%
HWB Model ? COPY
H 188°
W 0%
B 66%
CIE-LUV ? COPY
L 28.7
u -21.01
v -14.31

WCAG Accessibility Score

Sample Text
9.79
AA: PASS / AAA: PASS
Sample Text
2.14
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #202154
Deuteranopia #1c1653
Tritanopia #035151
Achromatopsia #353535

TINTS

TONES

Physical Match

Closest Standard Match

316 CP

SET: 潘通色彩桥梁铜版色卡
DELTA E: 0.91

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

B30G

Developer Handoff

CSS Variables 
:root {
  --s-5540-b30g: #004B57;
}
Tailwind Config 
colors: {
  's-5540-b30g': '#004B57',
}
SCSS / Sass 
$s-5540-b30g: #004B57;
Design Token 
{
    "name": "S 5540-B30G",
    "value": "#004B57"
}

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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