#28373c
a deep, soft cyan · cool · closest name: darkslategray
RGB
40, 55, 60
HSL
195°, 20%, 20%
CMYK
33, 8, 0, 77
Luminance
0.0351
Every format
| HEX | #28373c |
| RGB | rgb(40, 55, 60) |
| HSL | hsl(195, 20%, 20%) |
| CMYK | cmyk(33%, 8%, 0%, 77%) |
| LAB | lab(22.0 -4.7 -5.1) |
| LCH | lch(22.0 7.0 227.4) |
| OKLCH | oklch(0.326 0.022 220.3) |
Copy-ready code
/* CSS */
color: #28373c;
background-color: #28373c;
/* Tailwind (arbitrary) */
class="text-[#28373c] bg-[#28373c]"
/* SCSS */
$brand: #28373c;
/* SwiftUI */
Color(red: 0.157, green: 0.216, blue: 0.235)
/* Android */
Color.parseColor("#28373c")Accessibility — WCAG contrast
Aa
#28373c on white: 12.34:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#28373c on black: 1.70:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green21.6%
Blue23.5%
CMYK percentages
Cyan33.3%
Magenta8.3%
Yellow0.0%
Key (black)76.5%
Color previews
#28373c text on a black background
contrast 1.70:1
Card sample
#28373c text on a white background
contrast 12.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28373c;
Background color
Panel with #28373c background
background-color: #28373c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28373c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 55, 60, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 55, 60, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28373c; background: linear-gradient(135deg, #28373c, #282A3C);