#3979af
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 121, 175
HSL
208°, 51%, 46%
CMYK
67, 31, 0, 31
Luminance
0.1764
Every format
| HEX | #3979af |
| RGB | rgb(57, 121, 175) |
| HSL | hsl(208, 51%, 46%) |
| CMYK | cmyk(67%, 31%, 0%, 31%) |
| LAB | lab(49.0 -2.8 -34.7) |
| LCH | lch(49.0 34.8 265.3) |
| OKLCH | oklch(0.559 0.107 246.7) |
Copy-ready code
/* CSS */
color: #3979af;
background-color: #3979af;
/* Tailwind (arbitrary) */
class="text-[#3979af] bg-[#3979af]"
/* SCSS */
$brand: #3979af;
/* SwiftUI */
Color(red: 0.224, green: 0.475, blue: 0.686)
/* Android */
Color.parseColor("#3979af")Accessibility — WCAG contrast
Aa
#3979af on white: 4.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3979af on black: 4.53:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green47.5%
Blue68.6%
CMYK percentages
Cyan67.4%
Magenta30.9%
Yellow0.0%
Key (black)31.4%
Color previews
#3979af text on a black background
contrast 4.53:1
Card sample
#3979af text on a white background
contrast 4.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3979af;
Background color
Panel with #3979af background
background-color: #3979af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3979af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 121, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 121, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3979af; background: linear-gradient(135deg, #3979af, #4839AF);