#237eb3
a dark, vivid blue · cool · closest name: steelblue
RGB
35, 126, 179
HSL
202°, 67%, 42%
CMYK
80, 30, 0, 30
Luminance
0.1853
Every format
| HEX | #237eb3 |
| RGB | rgb(35, 126, 179) |
| HSL | hsl(202, 67%, 42%) |
| CMYK | cmyk(80%, 30%, 0%, 30%) |
| LAB | lab(50.1 -7.3 -35.3) |
| LCH | lch(50.1 36.1 258.3) |
| OKLCH | oklch(0.566 0.116 239.9) |
Copy-ready code
/* CSS */
color: #237eb3;
background-color: #237eb3;
/* Tailwind (arbitrary) */
class="text-[#237eb3] bg-[#237eb3]"
/* SCSS */
$brand: #237eb3;
/* SwiftUI */
Color(red: 0.137, green: 0.494, blue: 0.702)
/* Android */
Color.parseColor("#237eb3")Accessibility — WCAG contrast
Aa
#237eb3 on white: 4.46:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#237eb3 on black: 4.71:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green49.4%
Blue70.2%
CMYK percentages
Cyan80.4%
Magenta29.6%
Yellow0.0%
Key (black)29.8%
Color previews
#237eb3 text on a black background
contrast 4.71:1
Card sample
#237eb3 text on a white background
contrast 4.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #237eb3;
Background color
Panel with #237eb3 background
background-color: #237eb3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #237eb3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 126, 179, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 126, 179, 0.45);
Border & gradient
Gradient panel
border: 3px solid #237eb3; background: linear-gradient(135deg, #237eb3, #2823B3);