#588bc9
a balanced, vivid blue · cool · closest name: steelblue
RGB
88, 139, 201
HSL
213°, 51%, 57%
CMYK
56, 31, 0, 21
Luminance
0.2476
Every format
| HEX | #588bc9 |
| RGB | rgb(88, 139, 201) |
| HSL | hsl(213, 51%, 57%) |
| CMYK | cmyk(56%, 31%, 0%, 21%) |
| LAB | lab(56.8 1.2 -37.3) |
| LCH | lch(56.8 37.3 271.8) |
| OKLCH | oklch(0.628 0.109 254.1) |
Copy-ready code
/* CSS */
color: #588bc9;
background-color: #588bc9;
/* Tailwind (arbitrary) */
class="text-[#588bc9] bg-[#588bc9]"
/* SCSS */
$brand: #588bc9;
/* SwiftUI */
Color(red: 0.345, green: 0.545, blue: 0.788)
/* Android */
Color.parseColor("#588bc9")Accessibility — WCAG contrast
Aa
#588bc9 on white: 3.53:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#588bc9 on black: 5.95:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.5%
Green54.5%
Blue78.8%
CMYK percentages
Cyan56.2%
Magenta30.8%
Yellow0.0%
Key (black)21.2%
Color previews
#588bc9 text on a black background
contrast 5.95:1
Card sample
#588bc9 text on a white background
contrast 3.53:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #588bc9;
Background color
Panel with #588bc9 background
background-color: #588bc9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #588bc9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(88, 139, 201, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(88, 139, 201, 0.45);
Border & gradient
Gradient panel
border: 3px solid #588bc9; background: linear-gradient(135deg, #588bc9, #7058C9);