#0a373c
a deep, vivid cyan · cool · closest name: darkslategray
RGB
10, 55, 60
HSL
186°, 71%, 14%
CMYK
83, 8, 0, 77
Luminance
0.0312
Every format
| HEX | #0a373c |
| RGB | rgb(10, 55, 60) |
| HSL | hsl(186, 71%, 14%) |
| CMYK | cmyk(83%, 8%, 0%, 77%) |
| LAB | lab(20.5 -12.7 -7.5) |
| LCH | lch(20.5 14.7 210.4) |
| OKLCH | oklch(0.310 0.047 206.0) |
Copy-ready code
/* CSS */
color: #0a373c;
background-color: #0a373c;
/* Tailwind (arbitrary) */
class="text-[#0a373c] bg-[#0a373c]"
/* SCSS */
$brand: #0a373c;
/* SwiftUI */
Color(red: 0.039, green: 0.216, blue: 0.235)
/* Android */
Color.parseColor("#0a373c")Accessibility — WCAG contrast
Aa
#0a373c on white: 12.93:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0a373c on black: 1.62:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red3.9%
Green21.6%
Blue23.5%
CMYK percentages
Cyan83.3%
Magenta8.3%
Yellow0.0%
Key (black)76.5%
Color previews
#0a373c text on a black background
contrast 1.62:1
Card sample
#0a373c text on a white background
contrast 12.93:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0a373c;
Background color
Panel with #0a373c background
background-color: #0a373c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0a373c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(10, 55, 60, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(10, 55, 60, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0a373c; background: linear-gradient(135deg, #0a373c, #0A163C);