#1b1fff
a balanced, electric blue · warm · closest name: blue
RGB
27, 31, 255
HSL
239°, 100%, 55%
CMYK
89, 88, 0, 0
Luminance
0.0843
Every format
| HEX | #1b1fff |
| RGB | rgb(27, 31, 255) |
| HSL | hsl(239, 100%, 55%) |
| CMYK | cmyk(89%, 88%, 0%, 0%) |
| LAB | lab(34.9 73.0 -103.6) |
| LCH | lch(34.9 126.7 305.2) |
| OKLCH | oklch(0.471 0.300 266.4) |
Copy-ready code
/* CSS */
color: #1b1fff;
background-color: #1b1fff;
/* Tailwind (arbitrary) */
class="text-[#1b1fff] bg-[#1b1fff]"
/* SCSS */
$brand: #1b1fff;
/* SwiftUI */
Color(red: 0.106, green: 0.122, blue: 1.000)
/* Android */
Color.parseColor("#1b1fff")Accessibility — WCAG contrast
Aa
#1b1fff on white: 7.82:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1b1fff on black: 2.69:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red10.6%
Green12.2%
Blue100.0%
CMYK percentages
Cyan89.4%
Magenta87.8%
Yellow0.0%
Key (black)0.0%
Color previews
#1b1fff text on a black background
contrast 2.69:1
Card sample
#1b1fff text on a white background
contrast 7.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1b1fff;
Background color
Panel with #1b1fff background
background-color: #1b1fff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1b1fff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(27, 31, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(27, 31, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1b1fff; background: linear-gradient(135deg, #1b1fff, #AF1BFF);