#2f37bc
a balanced, vivid blue · warm · closest name: slateblue
RGB
47, 55, 188
HSL
237°, 60%, 46%
CMYK
75, 71, 0, 26
Luminance
0.0697
Every format
| HEX | #2f37bc |
| RGB | rgb(47, 55, 188) |
| HSL | hsl(237, 60%, 46%) |
| CMYK | cmyk(75%, 71%, 0%, 26%) |
| LAB | lab(31.7 42.4 -70.2) |
| LCH | lch(31.7 82.0 301.1) |
| OKLCH | oklch(0.429 0.203 271.5) |
Copy-ready code
/* CSS */
color: #2f37bc;
background-color: #2f37bc;
/* Tailwind (arbitrary) */
class="text-[#2f37bc] bg-[#2f37bc]"
/* SCSS */
$brand: #2f37bc;
/* SwiftUI */
Color(red: 0.184, green: 0.216, blue: 0.737)
/* Android */
Color.parseColor("#2f37bc")Accessibility — WCAG contrast
Aa
#2f37bc on white: 8.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2f37bc on black: 2.39:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.4%
Green21.6%
Blue73.7%
CMYK percentages
Cyan75.0%
Magenta70.7%
Yellow0.0%
Key (black)26.3%
Color previews
#2f37bc text on a black background
contrast 2.39:1
Card sample
#2f37bc text on a white background
contrast 8.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2f37bc;
Background color
Panel with #2f37bc background
background-color: #2f37bc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2f37bc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(47, 55, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(47, 55, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2f37bc; background: linear-gradient(135deg, #2f37bc, #852FBC);