4166F5

COLOR
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Ultramarine Blue

Color Psychology & Meanings / qun qing lan
sRGB Model ? COPY
R 65
G 102
B 245
HSL Model ? COPY
H 228°
S 90%
L 61%
CMYK Print ? COPY
C 73
M 58
Y 0
K 4
CIE-Lab ? COPY
L 48.53
a 35.26
b -75.36
CIE-XYZ ? COPY
X 23.41
Y 17.22
Z 88.48
OKLCH (Next-Gen) ? COPY
L 56.97%
C 0.218
H 267.7
HSB Model ? COPY
H 228°
S 73%
B 96%
HWB Model ? COPY
H 228°
W 25%
B 4%
CIE-LUV ? COPY
L 48.53
u -16.83
v -116.78

WCAG Accessibility Score

Sample Text
4.73
AA: PASS / AAA: FAIL
Sample Text
4.44
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #5151d2
Deuteranopia #4e4cca
Tritanopia #42b7b1
Achromatopsia #6b6b6b

TINTS

TONES

Physical Match

Closest Standard Match

2381 U

SET: 潘通专色胶版色卡
DELTA E: 0.77

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

Ultramarine Blue

Developer Handoff

CSS Variables 
:root {
  --ultramarine-blue: #4166F5;
}
Tailwind Config 
colors: {
  'ultramarine-blue': '#4166F5',
}
SCSS / Sass 
$ultramarine-blue: #4166F5;
Design Token 
{
    "name": "Ultramarine Blue",
    "value": "#4166F5"
}

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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