#539bdf
a balanced, vivid blue · cool · closest name: steelblue
RGB
83, 155, 223
HSL
209°, 69%, 60%
CMYK
63, 31, 0, 13
Luminance
0.3061
Every format
| HEX | #539bdf |
| RGB | rgb(83, 155, 223) |
| HSL | hsl(209, 69%, 60%) |
| CMYK | cmyk(63%, 31%, 0%, 13%) |
| LAB | lab(62.2 -1.9 -41.2) |
| LCH | lch(62.2 41.3 267.4) |
| OKLCH | oklch(0.672 0.125 249.0) |
Copy-ready code
/* CSS */
color: #539bdf;
background-color: #539bdf;
/* Tailwind (arbitrary) */
class="text-[#539bdf] bg-[#539bdf]"
/* SCSS */
$brand: #539bdf;
/* SwiftUI */
Color(red: 0.325, green: 0.608, blue: 0.875)
/* Android */
Color.parseColor("#539bdf")Accessibility — WCAG contrast
Aa
#539bdf on white: 2.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#539bdf on black: 7.12:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red32.5%
Green60.8%
Blue87.5%
CMYK percentages
Cyan62.8%
Magenta30.5%
Yellow0.0%
Key (black)12.5%
Color previews
#539bdf text on a black background
contrast 7.12:1
Card sample
#539bdf text on a white background
contrast 2.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #539bdf;
Background color
Panel with #539bdf background
background-color: #539bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #539bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(83, 155, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(83, 155, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #539bdf; background: linear-gradient(135deg, #539bdf, #6853DF);