#1f00db
a dark, electric blue · warm · closest name: blue
RGB
31, 0, 219
HSL
249°, 100%, 43%
CMYK
86, 100, 0, 14
Luminance
0.0541
Every format
| HEX | #1f00db |
| RGB | rgb(31, 0, 219) |
| HSL | hsl(249, 100%, 43%) |
| CMYK | cmyk(86%, 100%, 0%, 14%) |
| LAB | lab(27.9 70.8 -94.8) |
| LCH | lch(27.9 118.3 306.8) |
| OKLCH | oklch(0.411 0.274 268.1) |
Copy-ready code
/* CSS */
color: #1f00db;
background-color: #1f00db;
/* Tailwind (arbitrary) */
class="text-[#1f00db] bg-[#1f00db]"
/* SCSS */
$brand: #1f00db;
/* SwiftUI */
Color(red: 0.122, green: 0.000, blue: 0.859)
/* Android */
Color.parseColor("#1f00db")Accessibility — WCAG contrast
Aa
#1f00db on white: 10.09:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1f00db on black: 2.08:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.2%
Green0.0%
Blue85.9%
CMYK percentages
Cyan85.8%
Magenta100.0%
Yellow0.0%
Key (black)14.1%
Color previews
#1f00db text on a black background
contrast 2.08:1
Card sample
#1f00db text on a white background
contrast 10.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1f00db;
Background color
Panel with #1f00db background
background-color: #1f00db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1f00db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(31, 0, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(31, 0, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1f00db; background: linear-gradient(135deg, #1f00db, #B100DB);