#331dbc
a dark, vivid blue · warm · closest name: navy
RGB
51, 29, 188
HSL
248°, 73%, 43%
CMYK
73, 85, 0, 26
Luminance
0.0521
Every format
| HEX | #331dbc |
| RGB | rgb(51, 29, 188) |
| HSL | hsl(248, 73%, 43%) |
| CMYK | cmyk(73%, 85%, 0%, 26%) |
| LAB | lab(27.3 56.0 -77.5) |
| LCH | lch(27.3 95.6 305.8) |
| OKLCH | oklch(0.399 0.225 275.2) |
Copy-ready code
/* CSS */
color: #331dbc;
background-color: #331dbc;
/* Tailwind (arbitrary) */
class="text-[#331dbc] bg-[#331dbc]"
/* SCSS */
$brand: #331dbc;
/* SwiftUI */
Color(red: 0.200, green: 0.114, blue: 0.737)
/* Android */
Color.parseColor("#331dbc")Accessibility — WCAG contrast
Aa
#331dbc on white: 10.28:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#331dbc on black: 2.04:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green11.4%
Blue73.7%
CMYK percentages
Cyan72.9%
Magenta84.6%
Yellow0.0%
Key (black)26.3%
Color previews
#331dbc text on a black background
contrast 2.04:1
Card sample
#331dbc text on a white background
contrast 10.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #331dbc;
Background color
Panel with #331dbc background
background-color: #331dbc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #331dbc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 29, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 29, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #331dbc; background: linear-gradient(135deg, #331dbc, #9D1DBC);