545B7C

COLOR
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281 UP

Pantone Color Bridge Uncoated / Color Bridge Uncoated
sRGB Model ? COPY
R 84
G 91
B 124
HSL Model ? COPY
H 230°
S 19%
L 41%
CMYK Print ? COPY
C 32
M 27
Y 0
K 51
CIE-Lab ? COPY
L 39.28
a 5.65
b -19.46
CIE-XYZ ? COPY
X 11.04
Y 10.82
Z 20.58
OKLCH (Next-Gen) ? COPY
L 47.86%
C 0.054
H 274.9
HSB Model ? COPY
H 230°
S 32%
B 49%
HWB Model ? COPY
H 230°
W 33%
B 51%
CIE-LUV ? COPY
L 39.28
u -5.15
v -27.59

WCAG Accessibility Score

Sample Text
6.64
AA: PASS / AAA: FAIL
Sample Text
3.16
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #575774
Deuteranopia #565672
Tritanopia #546d6c
Achromatopsia #5c5c5c

TINTS

TONES

Physical Match

Closest Standard Match

3597 U

SET: 潘通专色胶版色卡
DELTA E: 0.28

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

Developer Handoff

CSS Variables 
:root {
  --281-up: #545B7C;
}
Tailwind Config 
colors: {
  '281-up': '#545B7C',
}
SCSS / Sass 
$281-up: #545B7C;
Design Token 
{
    "name": "281 UP",
    "value": "#545B7C"
}

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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