#2583df
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
37, 131, 223
HSL
210°, 74%, 51%
CMYK
83, 41, 0, 13
Luminance
0.2195
Every format
| HEX | #2583df |
| RGB | rgb(37, 131, 223) |
| HSL | hsl(210, 74%, 51%) |
| CMYK | cmyk(83%, 41%, 0%, 13%) |
| LAB | lab(54.0 6.3 -54.3) |
| LCH | lch(54.0 54.6 276.6) |
| OKLCH | oklch(0.604 0.163 252.3) |
Copy-ready code
/* CSS */
color: #2583df;
background-color: #2583df;
/* Tailwind (arbitrary) */
class="text-[#2583df] bg-[#2583df]"
/* SCSS */
$brand: #2583df;
/* SwiftUI */
Color(red: 0.145, green: 0.514, blue: 0.875)
/* Android */
Color.parseColor("#2583df")Accessibility — WCAG contrast
Aa
#2583df on white: 3.90:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#2583df on black: 5.39:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green51.4%
Blue87.5%
CMYK percentages
Cyan83.4%
Magenta41.3%
Yellow0.0%
Key (black)12.5%
Color previews
#2583df text on a black background
contrast 5.39:1
Card sample
#2583df text on a white background
contrast 3.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2583df;
Background color
Panel with #2583df background
background-color: #2583df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2583df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 131, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 131, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2583df; background: linear-gradient(135deg, #2583df, #4325DF);