#1f3da8
a dark, vivid blue · warm · closest name: slateblue
RGB
31, 61, 168
HSL
227°, 69%, 39%
CMYK
82, 64, 0, 34
Luminance
0.0646
Every format
| HEX | #1f3da8 |
| RGB | rgb(31, 61, 168) |
| HSL | hsl(227, 69%, 39%) |
| CMYK | cmyk(82%, 64%, 0%, 34%) |
| LAB | lab(30.5 29.8 -60.3) |
| LCH | lch(30.5 67.3 296.3) |
| OKLCH | oklch(0.413 0.175 266.3) |
Copy-ready code
/* CSS */
color: #1f3da8;
background-color: #1f3da8;
/* Tailwind (arbitrary) */
class="text-[#1f3da8] bg-[#1f3da8]"
/* SCSS */
$brand: #1f3da8;
/* SwiftUI */
Color(red: 0.122, green: 0.239, blue: 0.659)
/* Android */
Color.parseColor("#1f3da8")Accessibility — WCAG contrast
Aa
#1f3da8 on white: 9.17:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1f3da8 on black: 2.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.2%
Green23.9%
Blue65.9%
CMYK percentages
Cyan81.5%
Magenta63.7%
Yellow0.0%
Key (black)34.1%
Color previews
#1f3da8 text on a black background
contrast 2.29:1
Card sample
#1f3da8 text on a white background
contrast 9.17:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1f3da8;
Background color
Panel with #1f3da8 background
background-color: #1f3da8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1f3da8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(31, 61, 168, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(31, 61, 168, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1f3da8; background: linear-gradient(135deg, #1f3da8, #5C1FA8);