#1f3eb8
a dark, vivid blue · warm · closest name: slateblue
RGB
31, 62, 184
HSL
228°, 71%, 42%
CMYK
83, 66, 0, 28
Luminance
0.0720
Every format
| HEX | #1f3eb8 |
| RGB | rgb(31, 62, 184) |
| HSL | hsl(228, 71%, 42%) |
| CMYK | cmyk(83%, 66%, 0%, 28%) |
| LAB | lab(32.3 35.2 -67.0) |
| LCH | lch(32.3 75.7 297.7) |
| OKLCH | oklch(0.430 0.195 266.4) |
Copy-ready code
/* CSS */
color: #1f3eb8;
background-color: #1f3eb8;
/* Tailwind (arbitrary) */
class="text-[#1f3eb8] bg-[#1f3eb8]"
/* SCSS */
$brand: #1f3eb8;
/* SwiftUI */
Color(red: 0.122, green: 0.243, blue: 0.722)
/* Android */
Color.parseColor("#1f3eb8")Accessibility — WCAG contrast
Aa
#1f3eb8 on white: 8.61:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1f3eb8 on black: 2.44:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.2%
Green24.3%
Blue72.2%
CMYK percentages
Cyan83.2%
Magenta66.3%
Yellow0.0%
Key (black)27.8%
Color previews
#1f3eb8 text on a black background
contrast 2.44:1
Card sample
#1f3eb8 text on a white background
contrast 8.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1f3eb8;
Background color
Panel with #1f3eb8 background
background-color: #1f3eb8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1f3eb8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(31, 62, 184, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(31, 62, 184, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1f3eb8; background: linear-gradient(135deg, #1f3eb8, #661FB8);