#1237b6
a dark, electric blue · warm · closest name: slateblue
RGB
18, 55, 182
HSL
227°, 82%, 39%
CMYK
90, 70, 0, 29
Luminance
0.0624
Every format
| HEX | #1237b6 |
| RGB | rgb(18, 55, 182) |
| HSL | hsl(227, 82%, 39%) |
| CMYK | cmyk(90%, 70%, 0%, 29%) |
| LAB | lab(30.0 38.2 -69.6) |
| LCH | lch(30.0 79.4 298.8) |
| OKLCH | oklch(0.412 0.203 264.9) |
Copy-ready code
/* CSS */
color: #1237b6;
background-color: #1237b6;
/* Tailwind (arbitrary) */
class="text-[#1237b6] bg-[#1237b6]"
/* SCSS */
$brand: #1237b6;
/* SwiftUI */
Color(red: 0.071, green: 0.216, blue: 0.714)
/* Android */
Color.parseColor("#1237b6")Accessibility — WCAG contrast
Aa
#1237b6 on white: 9.34:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1237b6 on black: 2.25:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red7.1%
Green21.6%
Blue71.4%
CMYK percentages
Cyan90.1%
Magenta69.8%
Yellow0.0%
Key (black)28.6%
Color previews
#1237b6 text on a black background
contrast 2.25:1
Card sample
#1237b6 text on a white background
contrast 9.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1237b6;
Background color
Panel with #1237b6 background
background-color: #1237b6;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1237b6;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(18, 55, 182, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(18, 55, 182, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1237b6; background: linear-gradient(135deg, #1237b6, #5A12B6);