#307da4
a dark, vivid blue · cool · closest name: steelblue
RGB
48, 125, 164
HSL
200°, 55%, 42%
CMYK
71, 24, 0, 36
Luminance
0.1798
Every format
| HEX | #307da4 |
| RGB | rgb(48, 125, 164) |
| HSL | hsl(200, 55%, 42%) |
| CMYK | cmyk(71%, 24%, 0%, 36%) |
| LAB | lab(49.5 -10.5 -27.7) |
| LCH | lch(49.5 29.6 249.3) |
| OKLCH | oklch(0.560 0.096 234.4) |
Copy-ready code
/* CSS */
color: #307da4;
background-color: #307da4;
/* Tailwind (arbitrary) */
class="text-[#307da4] bg-[#307da4]"
/* SCSS */
$brand: #307da4;
/* SwiftUI */
Color(red: 0.188, green: 0.490, blue: 0.643)
/* Android */
Color.parseColor("#307da4")Accessibility — WCAG contrast
Aa
#307da4 on white: 4.57:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#307da4 on black: 4.60:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green49.0%
Blue64.3%
CMYK percentages
Cyan70.7%
Magenta23.8%
Yellow0.0%
Key (black)35.7%
Color previews
#307da4 text on a black background
contrast 4.60:1
Card sample
#307da4 text on a white background
contrast 4.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #307da4;
Background color
Panel with #307da4 background
background-color: #307da4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #307da4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 125, 164, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 125, 164, 0.45);
Border & gradient
Gradient panel
border: 3px solid #307da4; background: linear-gradient(135deg, #307da4, #3030A4);