#283bdf
a balanced, vivid blue · warm · closest name: navy
RGB
40, 59, 223
HSL
234°, 74%, 52%
CMYK
82, 74, 0, 13
Luminance
0.0891
Every format
| HEX | #283bdf |
| RGB | rgb(40, 59, 223) |
| HSL | hsl(234, 74%, 52%) |
| CMYK | cmyk(82%, 74%, 0%, 13%) |
| LAB | lab(35.8 51.4 -83.9) |
| LCH | lch(35.8 98.4 301.5) |
| OKLCH | oklch(0.468 0.243 268.2) |
Copy-ready code
/* CSS */
color: #283bdf;
background-color: #283bdf;
/* Tailwind (arbitrary) */
class="text-[#283bdf] bg-[#283bdf]"
/* SCSS */
$brand: #283bdf;
/* SwiftUI */
Color(red: 0.157, green: 0.231, blue: 0.875)
/* Android */
Color.parseColor("#283bdf")Accessibility — WCAG contrast
Aa
#283bdf on white: 7.55:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#283bdf on black: 2.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green23.1%
Blue87.5%
CMYK percentages
Cyan82.1%
Magenta73.5%
Yellow0.0%
Key (black)12.5%
Color previews
#283bdf text on a black background
contrast 2.78:1
Card sample
#283bdf text on a white background
contrast 7.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #283bdf;
Background color
Panel with #283bdf background
background-color: #283bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #283bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 59, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 59, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #283bdf; background: linear-gradient(135deg, #283bdf, #8F28DF);