#2579df
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
37, 121, 223
HSL
213°, 74%, 51%
CMYK
83, 46, 0, 13
Luminance
0.1940
Every format
| HEX | #2579df |
| RGB | rgb(37, 121, 223) |
| HSL | hsl(213, 74%, 51%) |
| CMYK | cmyk(83%, 46%, 0%, 13%) |
| LAB | lab(51.1 12.4 -58.8) |
| LCH | lch(51.1 60.1 281.9) |
| OKLCH | oklch(0.582 0.174 256.0) |
Copy-ready code
/* CSS */
color: #2579df;
background-color: #2579df;
/* Tailwind (arbitrary) */
class="text-[#2579df] bg-[#2579df]"
/* SCSS */
$brand: #2579df;
/* SwiftUI */
Color(red: 0.145, green: 0.475, blue: 0.875)
/* Android */
Color.parseColor("#2579df")Accessibility — WCAG contrast
Aa
#2579df on white: 4.30:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#2579df on black: 4.88:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green47.5%
Blue87.5%
CMYK percentages
Cyan83.4%
Magenta45.7%
Yellow0.0%
Key (black)12.5%
Color previews
#2579df text on a black background
contrast 4.88:1
Card sample
#2579df text on a white background
contrast 4.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2579df;
Background color
Panel with #2579df background
background-color: #2579df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2579df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 121, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 121, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2579df; background: linear-gradient(135deg, #2579df, #4D25DF);