#255ddf
a balanced, vivid blue · cool · closest name: royalblue
RGB
37, 93, 223
HSL
222°, 74%, 51%
CMYK
83, 58, 0, 13
Luminance
0.1355
Every format
| HEX | #255ddf |
| RGB | rgb(37, 93, 223) |
| HSL | hsl(222, 74%, 51%) |
| CMYK | cmyk(83%, 58%, 0%, 13%) |
| LAB | lab(43.6 30.3 -71.1) |
| LCH | lch(43.6 77.3 293.1) |
| OKLCH | oklch(0.525 0.207 263.4) |
Copy-ready code
/* CSS */
color: #255ddf;
background-color: #255ddf;
/* Tailwind (arbitrary) */
class="text-[#255ddf] bg-[#255ddf]"
/* SCSS */
$brand: #255ddf;
/* SwiftUI */
Color(red: 0.145, green: 0.365, blue: 0.875)
/* Android */
Color.parseColor("#255ddf")Accessibility — WCAG contrast
Aa
#255ddf on white: 5.66:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#255ddf on black: 3.71:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green36.5%
Blue87.5%
CMYK percentages
Cyan83.4%
Magenta58.3%
Yellow0.0%
Key (black)12.5%
Color previews
#255ddf text on a black background
contrast 3.71:1
Card sample
#255ddf text on a white background
contrast 5.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #255ddf;
Background color
Panel with #255ddf background
background-color: #255ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #255ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 93, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 93, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #255ddf; background: linear-gradient(135deg, #255ddf, #6925DF);