#1237a6
a dark, electric blue · warm · closest name: slateblue
RGB
18, 55, 166
HSL
225°, 80%, 36%
CMYK
89, 67, 0, 35
Luminance
0.0561
Every format
| HEX | #1237a6 |
| RGB | rgb(18, 55, 166) |
| HSL | hsl(225, 80%, 36%) |
| CMYK | cmyk(89%, 67%, 0%, 35%) |
| LAB | lab(28.4 32.1 -62.6) |
| LCH | lch(28.4 70.4 297.2) |
| OKLCH | oklch(0.395 0.182 264.6) |
Copy-ready code
/* CSS */
color: #1237a6;
background-color: #1237a6;
/* Tailwind (arbitrary) */
class="text-[#1237a6] bg-[#1237a6]"
/* SCSS */
$brand: #1237a6;
/* SwiftUI */
Color(red: 0.071, green: 0.216, blue: 0.651)
/* Android */
Color.parseColor("#1237a6")Accessibility — WCAG contrast
Aa
#1237a6 on white: 9.89:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1237a6 on black: 2.12:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red7.1%
Green21.6%
Blue65.1%
CMYK percentages
Cyan89.2%
Magenta66.9%
Yellow0.0%
Key (black)34.9%
Color previews
#1237a6 text on a black background
contrast 2.12:1
Card sample
#1237a6 text on a white background
contrast 9.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1237a6;
Background color
Panel with #1237a6 background
background-color: #1237a6;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1237a6;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(18, 55, 166, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(18, 55, 166, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1237a6; background: linear-gradient(135deg, #1237a6, #5012A6);