#428fd2
a balanced, vivid blue · cool · closest name: steelblue
RGB
66, 143, 210
HSL
208°, 62%, 54%
CMYK
69, 32, 0, 18
Luminance
0.2546
Every format
| HEX | #428fd2 |
| RGB | rgb(66, 143, 210) |
| HSL | hsl(208, 62%, 54%) |
| CMYK | cmyk(69%, 32%, 0%, 18%) |
| LAB | lab(57.5 -2.2 -41.3) |
| LCH | lch(57.5 41.4 267.0) |
| OKLCH | oklch(0.632 0.127 247.7) |
Copy-ready code
/* CSS */
color: #428fd2;
background-color: #428fd2;
/* Tailwind (arbitrary) */
class="text-[#428fd2] bg-[#428fd2]"
/* SCSS */
$brand: #428fd2;
/* SwiftUI */
Color(red: 0.259, green: 0.561, blue: 0.824)
/* Android */
Color.parseColor("#428fd2")Accessibility — WCAG contrast
Aa
#428fd2 on white: 3.45:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#428fd2 on black: 6.09:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green56.1%
Blue82.4%
CMYK percentages
Cyan68.6%
Magenta31.9%
Yellow0.0%
Key (black)17.6%
Color previews
#428fd2 text on a black background
contrast 6.09:1
Card sample
#428fd2 text on a white background
contrast 3.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #428fd2;
Background color
Panel with #428fd2 background
background-color: #428fd2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #428fd2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 143, 210, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 143, 210, 0.45);
Border & gradient
Gradient panel
border: 3px solid #428fd2; background: linear-gradient(135deg, #428fd2, #5542D2);