#231f21
a deep, muted gray · warm · closest name: black
RGB
35, 31, 33
HSL
330°, 6%, 13%
CMYK
0, 11, 6, 86
Luminance
0.0145
Every format
| HEX | #231f21 |
| RGB | rgb(35, 31, 33) |
| HSL | hsl(330, 6%, 13%) |
| CMYK | cmyk(0%, 11%, 6%, 86%) |
| LAB | lab(12.3 2.4 -0.7) |
| LCH | lch(12.3 2.5 344.3) |
| OKLCH | oklch(0.245 0.007 345.9) |
Copy-ready code
/* CSS */
color: #231f21;
background-color: #231f21;
/* Tailwind (arbitrary) */
class="text-[#231f21] bg-[#231f21]"
/* SCSS */
$brand: #231f21;
/* SwiftUI */
Color(red: 0.137, green: 0.122, blue: 0.129)
/* Android */
Color.parseColor("#231f21")Accessibility — WCAG contrast
Aa
#231f21 on white: 16.29:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#231f21 on black: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green12.2%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta11.4%
Yellow5.7%
Key (black)86.3%
Color previews
#231f21 text on a black background
contrast 1.29:1
Card sample
#231f21 text on a white background
contrast 16.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #231f21;
Background color
Panel with #231f21 background
background-color: #231f21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #231f21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 31, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 31, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #231f21; background: linear-gradient(135deg, #231f21, #23201F);