#1b5fa3
a dark, vivid blue · cool · closest name: steelblue
RGB
27, 95, 163
HSL
210°, 72%, 37%
CMYK
83, 42, 0, 36
Luminance
0.1106
Every format
| HEX | #1b5fa3 |
| RGB | rgb(27, 95, 163) |
| HSL | hsl(210, 72%, 37%) |
| CMYK | cmyk(83%, 42%, 0%, 36%) |
| LAB | lab(39.7 4.8 -42.5) |
| LCH | lch(39.7 42.8 276.4) |
| OKLCH | oklch(0.481 0.128 252.4) |
Copy-ready code
/* CSS */
color: #1b5fa3;
background-color: #1b5fa3;
/* Tailwind (arbitrary) */
class="text-[#1b5fa3] bg-[#1b5fa3]"
/* SCSS */
$brand: #1b5fa3;
/* SwiftUI */
Color(red: 0.106, green: 0.373, blue: 0.639)
/* Android */
Color.parseColor("#1b5fa3")Accessibility — WCAG contrast
Aa
#1b5fa3 on white: 6.54:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1b5fa3 on black: 3.21:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green37.3%
Blue63.9%
CMYK percentages
Cyan83.4%
Magenta41.7%
Yellow0.0%
Key (black)36.1%
Color previews
#1b5fa3 text on a black background
contrast 3.21:1
Card sample
#1b5fa3 text on a white background
contrast 6.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b5fa3;
Background color
Panel with #1b5fa3 background
background-color: #1b5fa3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b5fa3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 95, 163, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 95, 163, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b5fa3; background: linear-gradient(135deg, #1b5fa3, #321BA3);