#309c81
a dark, vivid cyan · cool · closest name: seagreen
RGB
48, 156, 129
HSL
165°, 53%, 40%
CMYK
69, 0, 17, 39
Luminance
0.2599
Every format
| HEX | #309c81 |
| RGB | rgb(48, 156, 129) |
| HSL | hsl(165, 53%, 40%) |
| CMYK | cmyk(69%, 0%, 17%, 39%) |
| LAB | lab(58.0 -37.0 5.4) |
| LCH | lch(58.0 37.4 171.8) |
| OKLCH | oklch(0.625 0.105 172.6) |
Copy-ready code
/* CSS */
color: #309c81;
background-color: #309c81;
/* Tailwind (arbitrary) */
class="text-[#309c81] bg-[#309c81]"
/* SCSS */
$brand: #309c81;
/* SwiftUI */
Color(red: 0.188, green: 0.612, blue: 0.506)
/* Android */
Color.parseColor("#309c81")Accessibility — WCAG contrast
Aa
#309c81 on white: 3.39:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#309c81 on black: 6.20:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green61.2%
Blue50.6%
CMYK percentages
Cyan69.2%
Magenta0.0%
Yellow17.3%
Key (black)38.8%
Color previews
#309c81 text on a black background
contrast 6.20:1
Card sample
#309c81 text on a white background
contrast 3.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #309c81;
Background color
Panel with #309c81 background
background-color: #309c81;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #309c81;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 156, 129, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 156, 129, 0.45);
Border & gradient
Gradient panel
border: 3px solid #309c81; background: linear-gradient(135deg, #309c81, #306F9C);