#307eb0
a dark, vivid blue · cool · closest name: steelblue
RGB
48, 126, 176
HSL
203°, 57%, 44%
CMYK
73, 28, 0, 31
Luminance
0.1868
Every format
| HEX | #307eb0 |
| RGB | rgb(48, 126, 176) |
| HSL | hsl(203, 57%, 44%) |
| CMYK | cmyk(73%, 28%, 0%, 31%) |
| LAB | lab(50.3 -6.8 -33.3) |
| LCH | lch(50.3 34.0 258.4) |
| OKLCH | oklch(0.568 0.108 240.8) |
Copy-ready code
/* CSS */
color: #307eb0;
background-color: #307eb0;
/* Tailwind (arbitrary) */
class="text-[#307eb0] bg-[#307eb0]"
/* SCSS */
$brand: #307eb0;
/* SwiftUI */
Color(red: 0.188, green: 0.494, blue: 0.690)
/* Android */
Color.parseColor("#307eb0")Accessibility — WCAG contrast
Aa
#307eb0 on white: 4.43:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#307eb0 on black: 4.74:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green49.4%
Blue69.0%
CMYK percentages
Cyan72.7%
Magenta28.4%
Yellow0.0%
Key (black)31.0%
Color previews
#307eb0 text on a black background
contrast 4.74:1
Card sample
#307eb0 text on a white background
contrast 4.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #307eb0;
Background color
Panel with #307eb0 background
background-color: #307eb0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #307eb0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 126, 176, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 126, 176, 0.45);
Border & gradient
Gradient panel
border: 3px solid #307eb0; background: linear-gradient(135deg, #307eb0, #3730B0);