#289fdf
a balanced, vivid blue · cool · closest name: steelblue
RGB
40, 159, 223
HSL
201°, 74%, 52%
CMYK
82, 29, 0, 13
Luminance
0.3058
Every format
| HEX | #289fdf |
| RGB | rgb(40, 159, 223) |
| HSL | hsl(201, 74%, 52%) |
| CMYK | cmyk(82%, 29%, 0%, 13%) |
| LAB | lab(62.1 -9.8 -41.3) |
| LCH | lch(62.1 42.5 256.6) |
| OKLCH | oklch(0.669 0.137 238.5) |
Copy-ready code
/* CSS */
color: #289fdf;
background-color: #289fdf;
/* Tailwind (arbitrary) */
class="text-[#289fdf] bg-[#289fdf]"
/* SCSS */
$brand: #289fdf;
/* SwiftUI */
Color(red: 0.157, green: 0.624, blue: 0.875)
/* Android */
Color.parseColor("#289fdf")Accessibility — WCAG contrast
Aa
#289fdf on white: 2.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#289fdf on black: 7.12:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green62.4%
Blue87.5%
CMYK percentages
Cyan82.1%
Magenta28.7%
Yellow0.0%
Key (black)12.5%
Color previews
#289fdf text on a black background
contrast 7.12:1
Card sample
#289fdf text on a white background
contrast 2.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #289fdf;
Background color
Panel with #289fdf background
background-color: #289fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #289fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 159, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 159, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #289fdf; background: linear-gradient(135deg, #289fdf, #2B28DF);