#103c39
a deep, vivid cyan · cool · closest name: darkslategray
RGB
16, 60, 57
HSL
176°, 58%, 15%
CMYK
73, 0, 5, 77
Luminance
0.0364
Every format
| HEX | #103c39 |
| RGB | rgb(16, 60, 57) |
| HSL | hsl(176, 58%, 15%) |
| CMYK | cmyk(73%, 0%, 5%, 77%) |
| LAB | lab(22.4 -15.6 -2.6) |
| LCH | lch(22.4 15.8 189.3) |
| OKLCH | oklch(0.326 0.048 188.7) |
Copy-ready code
/* CSS */
color: #103c39;
background-color: #103c39;
/* Tailwind (arbitrary) */
class="text-[#103c39] bg-[#103c39]"
/* SCSS */
$brand: #103c39;
/* SwiftUI */
Color(red: 0.063, green: 0.235, blue: 0.224)
/* Android */
Color.parseColor("#103c39")Accessibility — WCAG contrast
Aa
#103c39 on white: 12.16:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#103c39 on black: 1.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.3%
Green23.5%
Blue22.4%
CMYK percentages
Cyan73.3%
Magenta0.0%
Yellow5.0%
Key (black)76.5%
Color previews
#103c39 text on a black background
contrast 1.73:1
Card sample
#103c39 text on a white background
contrast 12.16:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #103c39;
Background color
Panel with #103c39 background
background-color: #103c39;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #103c39;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(16, 60, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(16, 60, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #103c39; background: linear-gradient(135deg, #103c39, #10223C);