#331b9f
a dark, vivid blue · warm · closest name: navy
RGB
51, 27, 159
HSL
251°, 71%, 37%
CMYK
68, 83, 0, 38
Luminance
0.0399
Every format
| HEX | #331b9f |
| RGB | rgb(51, 27, 159) |
| HSL | hsl(251, 71%, 37%) |
| CMYK | cmyk(68%, 83%, 0%, 38%) |
| LAB | lab(23.6 48.4 -66.2) |
| LCH | lch(23.6 82.0 306.2) |
| OKLCH | oklch(0.363 0.194 279.0) |
Copy-ready code
/* CSS */
color: #331b9f;
background-color: #331b9f;
/* Tailwind (arbitrary) */
class="text-[#331b9f] bg-[#331b9f]"
/* SCSS */
$brand: #331b9f;
/* SwiftUI */
Color(red: 0.200, green: 0.106, blue: 0.624)
/* Android */
Color.parseColor("#331b9f")Accessibility — WCAG contrast
Aa
#331b9f on white: 11.68:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331b9f on black: 1.80:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green10.6%
Blue62.4%
CMYK percentages
Cyan67.9%
Magenta83.0%
Yellow0.0%
Key (black)37.6%
Color previews
#331b9f text on a black background
contrast 1.80:1
Card sample
#331b9f text on a white background
contrast 11.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331b9f;
Background color
Panel with #331b9f background
background-color: #331b9f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331b9f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 27, 159, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 27, 159, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331b9f; background: linear-gradient(135deg, #331b9f, #8B1B9F);