#307dbb
a balanced, vivid blue · cool · closest name: steelblue
RGB
48, 125, 187
HSL
207°, 59%, 46%
CMYK
74, 33, 0, 27
Luminance
0.1888
Every format
| HEX | #307dbb |
| RGB | rgb(48, 125, 187) |
| HSL | hsl(207, 59%, 46%) |
| CMYK | cmyk(74%, 33%, 0%, 27%) |
| LAB | lab(50.5 -2.3 -39.3) |
| LCH | lch(50.5 39.4 266.6) |
| OKLCH | oklch(0.572 0.121 246.6) |
Copy-ready code
/* CSS */
color: #307dbb;
background-color: #307dbb;
/* Tailwind (arbitrary) */
class="text-[#307dbb] bg-[#307dbb]"
/* SCSS */
$brand: #307dbb;
/* SwiftUI */
Color(red: 0.188, green: 0.490, blue: 0.733)
/* Android */
Color.parseColor("#307dbb")Accessibility — WCAG contrast
Aa
#307dbb on white: 4.40:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#307dbb on black: 4.78:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green49.0%
Blue73.3%
CMYK percentages
Cyan74.3%
Magenta33.2%
Yellow0.0%
Key (black)26.7%
Color previews
#307dbb text on a black background
contrast 4.78:1
Card sample
#307dbb text on a white background
contrast 4.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #307dbb;
Background color
Panel with #307dbb background
background-color: #307dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #307dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 125, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 125, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #307dbb; background: linear-gradient(135deg, #307dbb, #4030BB);