#283cd2
a balanced, vivid blue · warm · closest name: slateblue
RGB
40, 60, 210
HSL
233°, 68%, 49%
CMYK
81, 71, 0, 18
Luminance
0.0834
Every format
| HEX | #283cd2 |
| RGB | rgb(40, 60, 210) |
| HSL | hsl(233, 68%, 49%) |
| CMYK | cmyk(81%, 71%, 0%, 18%) |
| LAB | lab(34.7 46.4 -78.3) |
| LCH | lch(34.7 91.0 300.7) |
| OKLCH | oklch(0.456 0.227 268.4) |
Copy-ready code
/* CSS */
color: #283cd2;
background-color: #283cd2;
/* Tailwind (arbitrary) */
class="text-[#283cd2] bg-[#283cd2]"
/* SCSS */
$brand: #283cd2;
/* SwiftUI */
Color(red: 0.157, green: 0.235, blue: 0.824)
/* Android */
Color.parseColor("#283cd2")Accessibility — WCAG contrast
Aa
#283cd2 on white: 7.87:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#283cd2 on black: 2.67:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green23.5%
Blue82.4%
CMYK percentages
Cyan81.0%
Magenta71.4%
Yellow0.0%
Key (black)17.6%
Color previews
#283cd2 text on a black background
contrast 2.67:1
Card sample
#283cd2 text on a white background
contrast 7.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #283cd2;
Background color
Panel with #283cd2 background
background-color: #283cd2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #283cd2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 60, 210, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 60, 210, 0.45);
Border & gradient
Gradient panel
border: 3px solid #283cd2; background: linear-gradient(135deg, #283cd2, #8528D2);