#1237a7
a dark, electric blue · warm · closest name: slateblue
RGB
18, 55, 167
HSL
225°, 81%, 36%
CMYK
89, 67, 0, 35
Luminance
0.0565
Every format
| HEX | #1237a7 |
| RGB | rgb(18, 55, 167) |
| HSL | hsl(225, 81%, 36%) |
| CMYK | cmyk(89%, 67%, 0%, 35%) |
| LAB | lab(28.5 32.5 -63.1) |
| LCH | lch(28.5 71.0 297.3) |
| OKLCH | oklch(0.396 0.184 264.6) |
Copy-ready code
/* CSS */
color: #1237a7;
background-color: #1237a7;
/* Tailwind (arbitrary) */
class="text-[#1237a7] bg-[#1237a7]"
/* SCSS */
$brand: #1237a7;
/* SwiftUI */
Color(red: 0.071, green: 0.216, blue: 0.655)
/* Android */
Color.parseColor("#1237a7")Accessibility — WCAG contrast
Aa
#1237a7 on white: 9.86:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1237a7 on black: 2.13:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red7.1%
Green21.6%
Blue65.5%
CMYK percentages
Cyan89.2%
Magenta67.1%
Yellow0.0%
Key (black)34.5%
Color previews
#1237a7 text on a black background
contrast 2.13:1
Card sample
#1237a7 text on a white background
contrast 9.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1237a7;
Background color
Panel with #1237a7 background
background-color: #1237a7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1237a7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(18, 55, 167, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(18, 55, 167, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1237a7; background: linear-gradient(135deg, #1237a7, #5012A7);