#213957
a deep, vivid blue · cool · closest name: darkslategray
RGB
33, 57, 87
HSL
213°, 45%, 24%
CMYK
62, 35, 0, 66
Luminance
0.0394
Every format
| HEX | #213957 |
| RGB | rgb(33, 57, 87) |
| HSL | hsl(213, 45%, 24%) |
| CMYK | cmyk(62%, 35%, 0%, 66%) |
| LAB | lab(23.5 1.0 -20.9) |
| LCH | lch(23.5 20.9 272.8) |
| OKLCH | oklch(0.340 0.061 254.7) |
Copy-ready code
/* CSS */
color: #213957;
background-color: #213957;
/* Tailwind (arbitrary) */
class="text-[#213957] bg-[#213957]"
/* SCSS */
$brand: #213957;
/* SwiftUI */
Color(red: 0.129, green: 0.224, blue: 0.341)
/* Android */
Color.parseColor("#213957")Accessibility — WCAG contrast
Aa
#213957 on white: 11.75:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#213957 on black: 1.79:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green22.4%
Blue34.1%
CMYK percentages
Cyan62.1%
Magenta34.5%
Yellow0.0%
Key (black)65.9%
Color previews
#213957 text on a black background
contrast 1.79:1
Card sample
#213957 text on a white background
contrast 11.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #213957;
Background color
Panel with #213957 background
background-color: #213957;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #213957;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 57, 87, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 57, 87, 0.45);
Border & gradient
Gradient panel
border: 3px solid #213957; background: linear-gradient(135deg, #213957, #2D2157);