#3f79af
a balanced, vivid blue · cool · closest name: steelblue
RGB
63, 121, 175
HSL
209°, 47%, 47%
CMYK
64, 31, 0, 31
Luminance
0.1783
Every format
| HEX | #3f79af |
| RGB | rgb(63, 121, 175) |
| HSL | hsl(209, 47%, 47%) |
| CMYK | cmyk(64%, 31%, 0%, 31%) |
| LAB | lab(49.3 -1.8 -34.3) |
| LCH | lch(49.3 34.4 267.0) |
| OKLCH | oklch(0.561 0.104 248.6) |
Copy-ready code
/* CSS */
color: #3f79af;
background-color: #3f79af;
/* Tailwind (arbitrary) */
class="text-[#3f79af] bg-[#3f79af]"
/* SCSS */
$brand: #3f79af;
/* SwiftUI */
Color(red: 0.247, green: 0.475, blue: 0.686)
/* Android */
Color.parseColor("#3f79af")Accessibility — WCAG contrast
Aa
#3f79af on white: 4.60:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f79af on black: 4.57:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green47.5%
Blue68.6%
CMYK percentages
Cyan64.0%
Magenta30.9%
Yellow0.0%
Key (black)31.4%
Color previews
#3f79af text on a black background
contrast 4.57:1
Card sample
#3f79af text on a white background
contrast 4.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f79af;
Background color
Panel with #3f79af background
background-color: #3f79af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f79af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 121, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 121, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f79af; background: linear-gradient(135deg, #3f79af, #503FAF);