#1f3fba
a dark, vivid blue · warm · closest name: slateblue
RGB
31, 63, 186
HSL
228°, 71%, 43%
CMYK
83, 66, 0, 27
Luminance
0.0739
Every format
| HEX | #1f3fba |
| RGB | rgb(31, 63, 186) |
| HSL | hsl(228, 71%, 43%) |
| CMYK | cmyk(83%, 66%, 0%, 27%) |
| LAB | lab(32.7 35.3 -67.5) |
| LCH | lch(32.7 76.2 297.6) |
| OKLCH | oklch(0.433 0.196 266.3) |
Copy-ready code
/* CSS */
color: #1f3fba;
background-color: #1f3fba;
/* Tailwind (arbitrary) */
class="text-[#1f3fba] bg-[#1f3fba]"
/* SCSS */
$brand: #1f3fba;
/* SwiftUI */
Color(red: 0.122, green: 0.247, blue: 0.729)
/* Android */
Color.parseColor("#1f3fba")Accessibility — WCAG contrast
Aa
#1f3fba on white: 8.47:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1f3fba on black: 2.48:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.2%
Green24.7%
Blue72.9%
CMYK percentages
Cyan83.3%
Magenta66.1%
Yellow0.0%
Key (black)27.1%
Color previews
#1f3fba text on a black background
contrast 2.48:1
Card sample
#1f3fba text on a white background
contrast 8.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1f3fba;
Background color
Panel with #1f3fba background
background-color: #1f3fba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1f3fba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(31, 63, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(31, 63, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1f3fba; background: linear-gradient(135deg, #1f3fba, #661FBA);