#10312c
a deep, vivid cyan · cool · closest name: darkslategray
RGB
16, 49, 44
HSL
171°, 51%, 13%
CMYK
67, 0, 10, 81
Luminance
0.0249
Every format
| HEX | #10312c |
| RGB | rgb(16, 49, 44) |
| HSL | hsl(171, 51%, 13%) |
| CMYK | cmyk(67%, 0%, 10%, 81%) |
| LAB | lab(17.9 -13.5 -0.4) |
| LCH | lch(17.9 13.5 181.8) |
| OKLCH | oklch(0.287 0.040 182.0) |
Copy-ready code
/* CSS */
color: #10312c;
background-color: #10312c;
/* Tailwind (arbitrary) */
class="text-[#10312c] bg-[#10312c]"
/* SCSS */
$brand: #10312c;
/* SwiftUI */
Color(red: 0.063, green: 0.192, blue: 0.173)
/* Android */
Color.parseColor("#10312c")Accessibility — WCAG contrast
Aa
#10312c on white: 14.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#10312c on black: 1.50:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.3%
Green19.2%
Blue17.3%
CMYK percentages
Cyan67.3%
Magenta0.0%
Yellow10.2%
Key (black)80.8%
Color previews
#10312c text on a black background
contrast 1.50:1
Card sample
#10312c text on a white background
contrast 14.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #10312c;
Background color
Panel with #10312c background
background-color: #10312c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #10312c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(16, 49, 44, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(16, 49, 44, 0.45);
Border & gradient
Gradient panel
border: 3px solid #10312c; background: linear-gradient(135deg, #10312c, #102031);