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#331bab

a dark, vivid blue · warm · closest name: navy

RGB
51, 27, 171
HSL
250°, 73%, 39%
CMYK
70, 84, 0, 33
Luminance
0.0443

Every format

HEX#331bab
RGBrgb(51, 27, 171)
HSLhsl(250, 73%, 39%)
CMYKcmyk(70%, 84%, 0%, 33%)
LABlab(25.0 51.9 -71.2)
LCHlch(25.0 88.1 306.1)
OKLCHoklch(0.377 0.207 277.3)

Copy-ready code

/* CSS */
color: #331bab;
background-color: #331bab;
/* Tailwind (arbitrary) */
class="text-[#331bab] bg-[#331bab]"
/* SCSS */
$brand: #331bab;
/* SwiftUI */
Color(red: 0.200, green: 0.106, blue: 0.671)
/* Android */
Color.parseColor("#331bab")

Accessibility — WCAG contrast

Aa
#331bab on white: 11.14:1
AA ✓ pass · AA-large · AAA
Aa
#331bab on black: 1.89:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red20.0%
Green10.6%
Blue67.1%

CMYK percentages

Cyan70.2%
Magenta84.2%
Yellow0.0%
Key (black)32.9%

Color previews

#331bab text on a black background

contrast 1.89:1

Card sample

#331bab text on a white background

contrast 11.14:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #331bab;
Background color
Panel with #331bab background
background-color: #331bab;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #331bab;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(51, 27, 171, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 27, 171, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331bab;
background: linear-gradient(135deg, #331bab, #931BAB);

Monochromatic scale

Palettes built from #331bab

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #331bab in the Color Lab