#2139ab
a dark, vivid blue · warm · closest name: slateblue
RGB
33, 57, 171
HSL
230°, 68%, 40%
CMYK
81, 67, 0, 33
Luminance
0.0619
Every format
| HEX | #2139ab |
| RGB | rgb(33, 57, 171) |
| HSL | hsl(230, 68%, 40%) |
| CMYK | cmyk(81%, 67%, 0%, 33%) |
| LAB | lab(29.9 33.8 -63.2) |
| LCH | lch(29.9 71.6 298.1) |
| OKLCH | oklch(0.409 0.183 267.6) |
Copy-ready code
/* CSS */
color: #2139ab;
background-color: #2139ab;
/* Tailwind (arbitrary) */
class="text-[#2139ab] bg-[#2139ab]"
/* SCSS */
$brand: #2139ab;
/* SwiftUI */
Color(red: 0.129, green: 0.224, blue: 0.671)
/* Android */
Color.parseColor("#2139ab")Accessibility — WCAG contrast
Aa
#2139ab on white: 9.38:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2139ab on black: 2.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green22.4%
Blue67.1%
CMYK percentages
Cyan80.7%
Magenta66.7%
Yellow0.0%
Key (black)32.9%
Color previews
#2139ab text on a black background
contrast 2.24:1
Card sample
#2139ab text on a white background
contrast 9.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2139ab;
Background color
Panel with #2139ab background
background-color: #2139ab;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2139ab;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 57, 171, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 57, 171, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2139ab; background: linear-gradient(135deg, #2139ab, #6521AB);