#3370af
a dark, vivid blue · cool · closest name: steelblue
RGB
51, 112, 175
HSL
211°, 55%, 44%
CMYK
71, 36, 0, 31
Luminance
0.1539
Every format
| HEX | #3370af |
| RGB | rgb(51, 112, 175) |
| HSL | hsl(211, 55%, 44%) |
| CMYK | cmyk(71%, 36%, 0%, 31%) |
| LAB | lab(46.2 1.6 -39.3) |
| LCH | lch(46.2 39.3 272.4) |
| OKLCH | oklch(0.536 0.118 251.6) |
Copy-ready code
/* CSS */
color: #3370af;
background-color: #3370af;
/* Tailwind (arbitrary) */
class="text-[#3370af] bg-[#3370af]"
/* SCSS */
$brand: #3370af;
/* SwiftUI */
Color(red: 0.200, green: 0.439, blue: 0.686)
/* Android */
Color.parseColor("#3370af")Accessibility — WCAG contrast
Aa
#3370af on white: 5.15:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3370af on black: 4.08:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green43.9%
Blue68.6%
CMYK percentages
Cyan70.9%
Magenta36.0%
Yellow0.0%
Key (black)31.4%
Color previews
#3370af text on a black background
contrast 4.08:1
Card sample
#3370af text on a white background
contrast 5.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3370af;
Background color
Panel with #3370af background
background-color: #3370af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3370af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 112, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 112, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3370af; background: linear-gradient(135deg, #3370af, #4933AF);