#3979ba
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 121, 186
HSL
210°, 53%, 48%
CMYK
69, 35, 0, 27
Luminance
0.1809
Every format
| HEX | #3979ba |
| RGB | rgb(57, 121, 186) |
| HSL | hsl(210, 53%, 48%) |
| CMYK | cmyk(69%, 35%, 0%, 27%) |
| LAB | lab(49.6 1.1 -40.2) |
| LCH | lch(49.6 40.2 271.5) |
| OKLCH | oklch(0.565 0.120 251.1) |
Copy-ready code
/* CSS */
color: #3979ba;
background-color: #3979ba;
/* Tailwind (arbitrary) */
class="text-[#3979ba] bg-[#3979ba]"
/* SCSS */
$brand: #3979ba;
/* SwiftUI */
Color(red: 0.224, green: 0.475, blue: 0.729)
/* Android */
Color.parseColor("#3979ba")Accessibility — WCAG contrast
Aa
#3979ba on white: 4.55:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3979ba on black: 4.62:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green47.5%
Blue72.9%
CMYK percentages
Cyan69.4%
Magenta34.9%
Yellow0.0%
Key (black)27.1%
Color previews
#3979ba text on a black background
contrast 4.62:1
Card sample
#3979ba text on a white background
contrast 4.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3979ba;
Background color
Panel with #3979ba background
background-color: #3979ba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3979ba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 121, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 121, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3979ba; background: linear-gradient(135deg, #3979ba, #4F39BA);