#309dbb
a balanced, vivid cyan · cool · closest name: steelblue
RGB
48, 157, 187
HSL
193°, 59%, 46%
CMYK
74, 16, 0, 27
Luminance
0.2833
Every format
| HEX | #309dbb |
| RGB | rgb(48, 157, 187) |
| HSL | hsl(193, 59%, 46%) |
| CMYK | cmyk(74%, 16%, 0%, 27%) |
| LAB | lab(60.2 -20.3 -24.3) |
| LCH | lch(60.2 31.6 230.1) |
| OKLCH | oklch(0.648 0.104 220.5) |
Copy-ready code
/* CSS */
color: #309dbb;
background-color: #309dbb;
/* Tailwind (arbitrary) */
class="text-[#309dbb] bg-[#309dbb]"
/* SCSS */
$brand: #309dbb;
/* SwiftUI */
Color(red: 0.188, green: 0.616, blue: 0.733)
/* Android */
Color.parseColor("#309dbb")Accessibility — WCAG contrast
Aa
#309dbb on white: 3.15:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#309dbb on black: 6.67:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green61.6%
Blue73.3%
CMYK percentages
Cyan74.3%
Magenta16.0%
Yellow0.0%
Key (black)26.7%
Color previews
#309dbb text on a black background
contrast 6.67:1
Card sample
#309dbb text on a white background
contrast 3.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #309dbb;
Background color
Panel with #309dbb background
background-color: #309dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #309dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 157, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 157, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #309dbb; background: linear-gradient(135deg, #309dbb, #3041BB);