#517dbb
a balanced, soft blue · cool · closest name: steelblue
RGB
81, 125, 187
HSL
215°, 44%, 53%
CMYK
57, 33, 0, 27
Luminance
0.2000
Every format
| HEX | #517dbb |
| RGB | rgb(81, 125, 187) |
| HSL | hsl(215, 44%, 53%) |
| CMYK | cmyk(57%, 33%, 0%, 27%) |
| LAB | lab(51.8 3.5 -37.2) |
| LCH | lch(51.8 37.3 275.3) |
| OKLCH | oklch(0.586 0.108 257.1) |
Copy-ready code
/* CSS */
color: #517dbb;
background-color: #517dbb;
/* Tailwind (arbitrary) */
class="text-[#517dbb] bg-[#517dbb]"
/* SCSS */
$brand: #517dbb;
/* SwiftUI */
Color(red: 0.318, green: 0.490, blue: 0.733)
/* Android */
Color.parseColor("#517dbb")Accessibility — WCAG contrast
Aa
#517dbb on white: 4.20:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#517dbb on black: 5.00:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green49.0%
Blue73.3%
CMYK percentages
Cyan56.7%
Magenta33.2%
Yellow0.0%
Key (black)26.7%
Color previews
#517dbb text on a black background
contrast 5.00:1
Card sample
#517dbb text on a white background
contrast 4.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #517dbb;
Background color
Panel with #517dbb background
background-color: #517dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #517dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 125, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 125, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #517dbb; background: linear-gradient(135deg, #517dbb, #6C51BB);