#04373c
a deep, electric cyan · cool · closest name: darkslategray
RGB
4, 55, 60
HSL
185°, 88%, 13%
CMYK
93, 8, 0, 77
Luminance
0.0308
Every format
| HEX | #04373c |
| RGB | rgb(4, 55, 60) |
| HSL | hsl(185, 88%, 13%) |
| CMYK | cmyk(93%, 8%, 0%, 77%) |
| LAB | lab(20.4 -13.6 -7.7) |
| LCH | lch(20.4 15.7 209.4) |
| OKLCH | oklch(0.308 0.050 205.2) |
Copy-ready code
/* CSS */
color: #04373c;
background-color: #04373c;
/* Tailwind (arbitrary) */
class="text-[#04373c] bg-[#04373c]"
/* SCSS */
$brand: #04373c;
/* SwiftUI */
Color(red: 0.016, green: 0.216, blue: 0.235)
/* Android */
Color.parseColor("#04373c")Accessibility — WCAG contrast
Aa
#04373c on white: 12.99:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#04373c on black: 1.62:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green21.6%
Blue23.5%
CMYK percentages
Cyan93.3%
Magenta8.3%
Yellow0.0%
Key (black)76.5%
Color previews
#04373c text on a black background
contrast 1.62:1
Card sample
#04373c text on a white background
contrast 12.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #04373c;
Background color
Panel with #04373c background
background-color: #04373c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #04373c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 55, 60, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 55, 60, 0.45);
Border & gradient
Gradient panel
border: 3px solid #04373c; background: linear-gradient(135deg, #04373c, #04123C);