#3971af
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 113, 175
HSL
212°, 51%, 46%
CMYK
67, 35, 0, 31
Luminance
0.1578
Every format
| HEX | #3971af |
| RGB | rgb(57, 113, 175) |
| HSL | hsl(212, 51%, 46%) |
| CMYK | cmyk(67%, 35%, 0%, 31%) |
| LAB | lab(46.7 2.0 -38.4) |
| LCH | lch(46.7 38.5 273.0) |
| OKLCH | oklch(0.540 0.114 252.7) |
Copy-ready code
/* CSS */
color: #3971af;
background-color: #3971af;
/* Tailwind (arbitrary) */
class="text-[#3971af] bg-[#3971af]"
/* SCSS */
$brand: #3971af;
/* SwiftUI */
Color(red: 0.224, green: 0.443, blue: 0.686)
/* Android */
Color.parseColor("#3971af")Accessibility — WCAG contrast
Aa
#3971af on white: 5.05:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3971af on black: 4.16:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green44.3%
Blue68.6%
CMYK percentages
Cyan67.4%
Magenta35.4%
Yellow0.0%
Key (black)31.4%
Color previews
#3971af text on a black background
contrast 4.16:1
Card sample
#3971af text on a white background
contrast 5.05:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3971af;
Background color
Panel with #3971af background
background-color: #3971af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3971af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 113, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 113, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3971af; background: linear-gradient(135deg, #3971af, #5039AF);