#213639
a deep, soft cyan · cool · closest name: darkslategray
RGB
33, 54, 57
HSL
188°, 27%, 18%
CMYK
42, 5, 0, 78
Luminance
0.0326
Every format
| HEX | #213639 |
| RGB | rgb(33, 54, 57) |
| HSL | hsl(188, 27%, 18%) |
| CMYK | cmyk(42%, 5%, 0%, 78%) |
| LAB | lab(21.0 -7.4 -4.5) |
| LCH | lch(21.0 8.7 211.5) |
| OKLCH | oklch(0.317 0.027 207.2) |
Copy-ready code
/* CSS */
color: #213639;
background-color: #213639;
/* Tailwind (arbitrary) */
class="text-[#213639] bg-[#213639]"
/* SCSS */
$brand: #213639;
/* SwiftUI */
Color(red: 0.129, green: 0.212, blue: 0.224)
/* Android */
Color.parseColor("#213639")Accessibility — WCAG contrast
Aa
#213639 on white: 12.72:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#213639 on black: 1.65:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green21.2%
Blue22.4%
CMYK percentages
Cyan42.1%
Magenta5.3%
Yellow0.0%
Key (black)77.6%
Color previews
#213639 text on a black background
contrast 1.65:1
Card sample
#213639 text on a white background
contrast 12.72:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #213639;
Background color
Panel with #213639 background
background-color: #213639;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #213639;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 54, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 54, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #213639; background: linear-gradient(135deg, #213639, #212639);