#1237ff
a balanced, electric blue · warm · closest name: blue
RGB
18, 55, 255
HSL
231°, 100%, 54%
CMYK
93, 78, 0, 0
Luminance
0.1008
Every format
| HEX | #1237ff |
| RGB | rgb(18, 55, 255) |
| HSL | hsl(231, 100%, 54%) |
| CMYK | cmyk(93%, 78%, 0%, 0%) |
| LAB | lab(38.0 63.0 -98.4) |
| LCH | lch(38.0 116.8 302.6) |
| OKLCH | oklch(0.492 0.286 265.1) |
Copy-ready code
/* CSS */
color: #1237ff;
background-color: #1237ff;
/* Tailwind (arbitrary) */
class="text-[#1237ff] bg-[#1237ff]"
/* SCSS */
$brand: #1237ff;
/* SwiftUI */
Color(red: 0.071, green: 0.216, blue: 1.000)
/* Android */
Color.parseColor("#1237ff")Accessibility — WCAG contrast
Aa
#1237ff on white: 6.96:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1237ff on black: 3.02:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red7.1%
Green21.6%
Blue100.0%
CMYK percentages
Cyan92.9%
Magenta78.4%
Yellow0.0%
Key (black)0.0%
Color previews
#1237ff text on a black background
contrast 3.02:1
Card sample
#1237ff text on a white background
contrast 6.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1237ff;
Background color
Panel with #1237ff background
background-color: #1237ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1237ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(18, 55, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(18, 55, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1237ff; background: linear-gradient(135deg, #1237ff, #8B12FF);