#577cb4
a balanced, soft blue · cool · closest name: steelblue
RGB
87, 124, 180
HSL
216°, 38%, 52%
CMYK
52, 31, 0, 29
Luminance
0.1974
Every format
| HEX | #577cb4 |
| RGB | rgb(87, 124, 180) |
| HSL | hsl(216, 38%, 52%) |
| CMYK | cmyk(52%, 31%, 0%, 29%) |
| LAB | lab(51.5 3.1 -33.6) |
| LCH | lch(51.5 33.7 275.4) |
| OKLCH | oklch(0.583 0.096 258.4) |
Copy-ready code
/* CSS */
color: #577cb4;
background-color: #577cb4;
/* Tailwind (arbitrary) */
class="text-[#577cb4] bg-[#577cb4]"
/* SCSS */
$brand: #577cb4;
/* SwiftUI */
Color(red: 0.341, green: 0.486, blue: 0.706)
/* Android */
Color.parseColor("#577cb4")Accessibility — WCAG contrast
Aa
#577cb4 on white: 4.24:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#577cb4 on black: 4.95:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green48.6%
Blue70.6%
CMYK percentages
Cyan51.7%
Magenta31.1%
Yellow0.0%
Key (black)29.4%
Color previews
#577cb4 text on a black background
contrast 4.95:1
Card sample
#577cb4 text on a white background
contrast 4.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #577cb4;
Background color
Panel with #577cb4 background
background-color: #577cb4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #577cb4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 124, 180, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 124, 180, 0.45);
Border & gradient
Gradient panel
border: 3px solid #577cb4; background: linear-gradient(135deg, #577cb4, #7057B4);