#309cab
a dark, vivid cyan · cool · closest name: teal
RGB
48, 156, 171
HSL
187°, 56%, 43%
CMYK
72, 9, 0, 33
Luminance
0.2735
Every format
| HEX | #309cab |
| RGB | rgb(48, 156, 171) |
| HSL | hsl(187, 56%, 43%) |
| CMYK | cmyk(72%, 9%, 0%, 33%) |
| LAB | lab(59.3 -24.9 -16.6) |
| LCH | lch(59.3 29.9 213.7) |
| OKLCH | oklch(0.639 0.097 208.5) |
Copy-ready code
/* CSS */
color: #309cab;
background-color: #309cab;
/* Tailwind (arbitrary) */
class="text-[#309cab] bg-[#309cab]"
/* SCSS */
$brand: #309cab;
/* SwiftUI */
Color(red: 0.188, green: 0.612, blue: 0.671)
/* Android */
Color.parseColor("#309cab")Accessibility — WCAG contrast
Aa
#309cab on white: 3.25:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#309cab on black: 6.47:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green61.2%
Blue67.1%
CMYK percentages
Cyan71.9%
Magenta8.8%
Yellow0.0%
Key (black)32.9%
Color previews
#309cab text on a black background
contrast 6.47:1
Card sample
#309cab text on a white background
contrast 3.25:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #309cab;
Background color
Panel with #309cab background
background-color: #309cab;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #309cab;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 156, 171, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 156, 171, 0.45);
Border & gradient
Gradient panel
border: 3px solid #309cab; background: linear-gradient(135deg, #309cab, #304AAB);