#231c01
a deep, electric yellow · cool · closest name: black
RGB
35, 28, 1
HSL
48°, 94%, 7%
CMYK
0, 20, 97, 86
Luminance
0.0119
Every format
| HEX | #231c01 |
| RGB | rgb(35, 28, 1) |
| HSL | hsl(48, 94%, 7%) |
| CMYK | cmyk(0%, 20%, 97%, 86%) |
| LAB | lab(10.5 -0.6 15.2) |
| LCH | lch(10.5 15.2 92.2) |
| OKLCH | oklch(0.228 0.045 95.4) |
Copy-ready code
/* CSS */
color: #231c01;
background-color: #231c01;
/* Tailwind (arbitrary) */
class="text-[#231c01] bg-[#231c01]"
/* SCSS */
$brand: #231c01;
/* SwiftUI */
Color(red: 0.137, green: 0.110, blue: 0.004)
/* Android */
Color.parseColor("#231c01")Accessibility — WCAG contrast
Aa
#231c01 on white: 16.96:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#231c01 on black: 1.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green11.0%
Blue0.4%
CMYK percentages
Cyan0.0%
Magenta20.0%
Yellow97.1%
Key (black)86.3%
Color previews
#231c01 text on a black background
contrast 1.24:1
Card sample
#231c01 text on a white background
contrast 16.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #231c01;
Background color
Panel with #231c01 background
background-color: #231c01;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #231c01;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 28, 1, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 28, 1, 0.45);
Border & gradient
Gradient panel
border: 3px solid #231c01; background: linear-gradient(135deg, #231c01, #132301);