#357dbb
a balanced, vivid blue · cool · closest name: steelblue
RGB
53, 125, 187
HSL
208°, 56%, 47%
CMYK
72, 33, 0, 27
Luminance
0.1901
Every format
| HEX | #357dbb |
| RGB | rgb(53, 125, 187) |
| HSL | hsl(208, 56%, 47%) |
| CMYK | cmyk(72%, 33%, 0%, 27%) |
| LAB | lab(50.7 -1.6 -39.0) |
| LCH | lch(50.7 39.1 267.7) |
| OKLCH | oklch(0.573 0.120 247.7) |
Copy-ready code
/* CSS */
color: #357dbb;
background-color: #357dbb;
/* Tailwind (arbitrary) */
class="text-[#357dbb] bg-[#357dbb]"
/* SCSS */
$brand: #357dbb;
/* SwiftUI */
Color(red: 0.208, green: 0.490, blue: 0.733)
/* Android */
Color.parseColor("#357dbb")Accessibility — WCAG contrast
Aa
#357dbb on white: 4.37:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#357dbb on black: 4.80:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green49.0%
Blue73.3%
CMYK percentages
Cyan71.7%
Magenta33.2%
Yellow0.0%
Key (black)26.7%
Color previews
#357dbb text on a black background
contrast 4.80:1
Card sample
#357dbb text on a white background
contrast 4.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #357dbb;
Background color
Panel with #357dbb background
background-color: #357dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #357dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 125, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 125, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #357dbb; background: linear-gradient(135deg, #357dbb, #4735BB);