#257dbb
a dark, vivid blue · cool · closest name: steelblue
RGB
37, 125, 187
HSL
205°, 67%, 44%
CMYK
80, 33, 0, 27
Luminance
0.1865
Every format
| HEX | #257dbb |
| RGB | rgb(37, 125, 187) |
| HSL | hsl(205, 67%, 44%) |
| CMYK | cmyk(80%, 33%, 0%, 27%) |
| LAB | lab(50.3 -3.6 -39.7) |
| LCH | lch(50.3 39.9 264.8) |
| OKLCH | oklch(0.569 0.125 244.5) |
Copy-ready code
/* CSS */
color: #257dbb;
background-color: #257dbb;
/* Tailwind (arbitrary) */
class="text-[#257dbb] bg-[#257dbb]"
/* SCSS */
$brand: #257dbb;
/* SwiftUI */
Color(red: 0.145, green: 0.490, blue: 0.733)
/* Android */
Color.parseColor("#257dbb")Accessibility — WCAG contrast
Aa
#257dbb on white: 4.44:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#257dbb on black: 4.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green49.0%
Blue73.3%
CMYK percentages
Cyan80.2%
Magenta33.2%
Yellow0.0%
Key (black)26.7%
Color previews
#257dbb text on a black background
contrast 4.73:1
Card sample
#257dbb text on a white background
contrast 4.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #257dbb;
Background color
Panel with #257dbb background
background-color: #257dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #257dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 125, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 125, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #257dbb; background: linear-gradient(135deg, #257dbb, #3125BB);