#255bdf
a balanced, vivid blue · cool · closest name: royalblue
RGB
37, 91, 223
HSL
223°, 74%, 51%
CMYK
83, 59, 0, 13
Luminance
0.1320
Every format
| HEX | #255bdf |
| RGB | rgb(37, 91, 223) |
| HSL | hsl(223, 74%, 51%) |
| CMYK | cmyk(83%, 59%, 0%, 13%) |
| LAB | lab(43.1 31.6 -71.9) |
| LCH | lch(43.1 78.6 293.7) |
| OKLCH | oklch(0.521 0.209 263.7) |
Copy-ready code
/* CSS */
color: #255bdf;
background-color: #255bdf;
/* Tailwind (arbitrary) */
class="text-[#255bdf] bg-[#255bdf]"
/* SCSS */
$brand: #255bdf;
/* SwiftUI */
Color(red: 0.145, green: 0.357, blue: 0.875)
/* Android */
Color.parseColor("#255bdf")Accessibility — WCAG contrast
Aa
#255bdf on white: 5.77:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#255bdf on black: 3.64:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green35.7%
Blue87.5%
CMYK percentages
Cyan83.4%
Magenta59.2%
Yellow0.0%
Key (black)12.5%
Color previews
#255bdf text on a black background
contrast 3.64:1
Card sample
#255bdf text on a white background
contrast 5.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #255bdf;
Background color
Panel with #255bdf background
background-color: #255bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #255bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 91, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 91, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #255bdf; background: linear-gradient(135deg, #255bdf, #6B25DF);