#2139aa
a dark, vivid blue · warm · closest name: slateblue
RGB
33, 57, 170
HSL
230°, 68%, 40%
CMYK
81, 67, 0, 33
Luminance
0.0615
Every format
| HEX | #2139aa |
| RGB | rgb(33, 57, 170) |
| HSL | hsl(230, 68%, 40%) |
| CMYK | cmyk(81%, 67%, 0%, 33%) |
| LAB | lab(29.8 33.4 -62.7) |
| LCH | lch(29.8 71.1 298.0) |
| OKLCH | oklch(0.408 0.182 267.6) |
Copy-ready code
/* CSS */
color: #2139aa;
background-color: #2139aa;
/* Tailwind (arbitrary) */
class="text-[#2139aa] bg-[#2139aa]"
/* SCSS */
$brand: #2139aa;
/* SwiftUI */
Color(red: 0.129, green: 0.224, blue: 0.667)
/* Android */
Color.parseColor("#2139aa")Accessibility — WCAG contrast
Aa
#2139aa on white: 9.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2139aa on black: 2.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green22.4%
Blue66.7%
CMYK percentages
Cyan80.6%
Magenta66.5%
Yellow0.0%
Key (black)33.3%
Color previews
#2139aa text on a black background
contrast 2.23:1
Card sample
#2139aa text on a white background
contrast 9.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2139aa;
Background color
Panel with #2139aa background
background-color: #2139aa;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2139aa;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 57, 170, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 57, 170, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2139aa; background: linear-gradient(135deg, #2139aa, #6421AA);