#3979ac
a dark, vivid blue · cool · closest name: steelblue
RGB
57, 121, 172
HSL
207°, 50%, 45%
CMYK
67, 30, 0, 33
Luminance
0.1752
Every format
| HEX | #3979ac |
| RGB | rgb(57, 121, 172) |
| HSL | hsl(207, 50%, 45%) |
| CMYK | cmyk(67%, 30%, 0%, 33%) |
| LAB | lab(48.9 -3.9 -33.2) |
| LCH | lch(48.9 33.4 263.3) |
| OKLCH | oklch(0.557 0.103 245.3) |
Copy-ready code
/* CSS */
color: #3979ac;
background-color: #3979ac;
/* Tailwind (arbitrary) */
class="text-[#3979ac] bg-[#3979ac]"
/* SCSS */
$brand: #3979ac;
/* SwiftUI */
Color(red: 0.224, green: 0.475, blue: 0.675)
/* Android */
Color.parseColor("#3979ac")Accessibility — WCAG contrast
Aa
#3979ac on white: 4.66:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3979ac on black: 4.50:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green47.5%
Blue67.5%
CMYK percentages
Cyan66.9%
Magenta29.7%
Yellow0.0%
Key (black)32.5%
Color previews
#3979ac text on a black background
contrast 4.50:1
Card sample
#3979ac text on a white background
contrast 4.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3979ac;
Background color
Panel with #3979ac background
background-color: #3979ac;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3979ac;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 121, 172, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 121, 172, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3979ac; background: linear-gradient(135deg, #3979ac, #4639AC);