#257fdf
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
37, 127, 223
HSL
211°, 74%, 51%
CMYK
83, 43, 0, 13
Luminance
0.2090
Every format
| HEX | #257fdf |
| RGB | rgb(37, 127, 223) |
| HSL | hsl(211, 74%, 51%) |
| CMYK | cmyk(83%, 43%, 0%, 13%) |
| LAB | lab(52.8 8.7 -56.1) |
| LCH | lch(52.8 56.8 278.8) |
| OKLCH | oklch(0.595 0.168 253.9) |
Copy-ready code
/* CSS */
color: #257fdf;
background-color: #257fdf;
/* Tailwind (arbitrary) */
class="text-[#257fdf] bg-[#257fdf]"
/* SCSS */
$brand: #257fdf;
/* SwiftUI */
Color(red: 0.145, green: 0.498, blue: 0.875)
/* Android */
Color.parseColor("#257fdf")Accessibility — WCAG contrast
Aa
#257fdf on white: 4.05:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#257fdf on black: 5.18:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green49.8%
Blue87.5%
CMYK percentages
Cyan83.4%
Magenta43.0%
Yellow0.0%
Key (black)12.5%
Color previews
#257fdf text on a black background
contrast 5.18:1
Card sample
#257fdf text on a white background
contrast 4.05:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #257fdf;
Background color
Panel with #257fdf background
background-color: #257fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #257fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 127, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 127, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #257fdf; background: linear-gradient(135deg, #257fdf, #4725DF);