#151d21
a deep, soft blue · cool · closest name: black
RGB
21, 29, 33
HSL
200°, 22%, 11%
CMYK
36, 12, 0, 87
Luminance
0.0115
Every format
| HEX | #151d21 |
| RGB | rgb(21, 29, 33) |
| HSL | hsl(200, 22%, 11%) |
| CMYK | cmyk(36%, 12%, 0%, 87%) |
| LAB | lab(10.2 -2.4 -3.9) |
| LCH | lch(10.2 4.6 238.7) |
| OKLCH | oklch(0.225 0.014 229.8) |
Copy-ready code
/* CSS */
color: #151d21;
background-color: #151d21;
/* Tailwind (arbitrary) */
class="text-[#151d21] bg-[#151d21]"
/* SCSS */
$brand: #151d21;
/* SwiftUI */
Color(red: 0.082, green: 0.114, blue: 0.129)
/* Android */
Color.parseColor("#151d21")Accessibility — WCAG contrast
Aa
#151d21 on white: 17.08:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#151d21 on black: 1.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green11.4%
Blue12.9%
CMYK percentages
Cyan36.4%
Magenta12.1%
Yellow0.0%
Key (black)87.1%
Color previews
#151d21 text on a black background
contrast 1.23:1
Card sample
#151d21 text on a white background
contrast 17.08:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #151d21;
Background color
Panel with #151d21 background
background-color: #151d21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #151d21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 29, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 29, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #151d21; background: linear-gradient(135deg, #151d21, #151521);