#12373c
a deep, vivid cyan · cool · closest name: darkslategray
RGB
18, 55, 60
HSL
187°, 54%, 15%
CMYK
70, 8, 0, 77
Luminance
0.0319
Every format
| HEX | #12373c |
| RGB | rgb(18, 55, 60) |
| HSL | hsl(187, 54%, 15%) |
| CMYK | cmyk(70%, 8%, 0%, 77%) |
| LAB | lab(20.8 -11.2 -7.0) |
| LCH | lch(20.8 13.2 212.2) |
| OKLCH | oklch(0.313 0.042 207.4) |
Copy-ready code
/* CSS */
color: #12373c;
background-color: #12373c;
/* Tailwind (arbitrary) */
class="text-[#12373c] bg-[#12373c]"
/* SCSS */
$brand: #12373c;
/* SwiftUI */
Color(red: 0.071, green: 0.216, blue: 0.235)
/* Android */
Color.parseColor("#12373c")Accessibility — WCAG contrast
Aa
#12373c on white: 12.82:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#12373c on black: 1.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red7.1%
Green21.6%
Blue23.5%
CMYK percentages
Cyan70.0%
Magenta8.3%
Yellow0.0%
Key (black)76.5%
Color previews
#12373c text on a black background
contrast 1.64:1
Card sample
#12373c text on a white background
contrast 12.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #12373c;
Background color
Panel with #12373c background
background-color: #12373c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #12373c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(18, 55, 60, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(18, 55, 60, 0.45);
Border & gradient
Gradient panel
border: 3px solid #12373c; background: linear-gradient(135deg, #12373c, #121B3C);