#539fdf
a balanced, vivid blue · cool · closest name: steelblue
RGB
83, 159, 223
HSL
207°, 69%, 60%
CMYK
63, 29, 0, 13
Luminance
0.3196
Every format
| HEX | #539fdf |
| RGB | rgb(83, 159, 223) |
| HSL | hsl(207, 69%, 60%) |
| CMYK | cmyk(63%, 29%, 0%, 13%) |
| LAB | lab(63.3 -4.2 -39.4) |
| LCH | lch(63.3 39.6 264.0) |
| OKLCH | oklch(0.681 0.121 246.3) |
Copy-ready code
/* CSS */
color: #539fdf;
background-color: #539fdf;
/* Tailwind (arbitrary) */
class="text-[#539fdf] bg-[#539fdf]"
/* SCSS */
$brand: #539fdf;
/* SwiftUI */
Color(red: 0.325, green: 0.624, blue: 0.875)
/* Android */
Color.parseColor("#539fdf")Accessibility — WCAG contrast
Aa
#539fdf on white: 2.84:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#539fdf on black: 7.39:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red32.5%
Green62.4%
Blue87.5%
CMYK percentages
Cyan62.8%
Magenta28.7%
Yellow0.0%
Key (black)12.5%
Color previews
#539fdf text on a black background
contrast 7.39:1
Card sample
#539fdf text on a white background
contrast 2.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #539fdf;
Background color
Panel with #539fdf background
background-color: #539fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #539fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(83, 159, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(83, 159, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #539fdf; background: linear-gradient(135deg, #539fdf, #6453DF);