#0057a3
a dark, electric blue · cool · closest name: steelblue
RGB
0, 87, 163
HSL
208°, 100%, 32%
CMYK
100, 47, 0, 36
Luminance
0.0946
Every format
| HEX | #0057a3 |
| RGB | rgb(0, 87, 163) |
| HSL | hsl(208, 100%, 32%) |
| CMYK | cmyk(100%, 47%, 0%, 36%) |
| LAB | lab(36.9 8.3 -47.1) |
| LCH | lch(36.9 47.8 280.1) |
| OKLCH | oklch(0.458 0.142 253.1) |
Copy-ready code
/* CSS */
color: #0057a3;
background-color: #0057a3;
/* Tailwind (arbitrary) */
class="text-[#0057a3] bg-[#0057a3]"
/* SCSS */
$brand: #0057a3;
/* SwiftUI */
Color(red: 0.000, green: 0.341, blue: 0.639)
/* Android */
Color.parseColor("#0057a3")Accessibility — WCAG contrast
Aa
#0057a3 on white: 7.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0057a3 on black: 2.89:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green34.1%
Blue63.9%
CMYK percentages
Cyan100.0%
Magenta46.6%
Yellow0.0%
Key (black)36.1%
Color previews
#0057a3 text on a black background
contrast 2.89:1
Card sample
#0057a3 text on a white background
contrast 7.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0057a3;
Background color
Panel with #0057a3 background
background-color: #0057a3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0057a3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 87, 163, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 87, 163, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0057a3; background: linear-gradient(135deg, #0057a3, #1600A3);