#1f03ff
a balanced, electric blue · warm · “blue”
RGB
31, 3, 255
HSL
247°, 100%, 51%
CMYK
88, 99, 0, 0
Luminance
0.0758
Every format
| HEX | #1f03ff |
| RGB | rgb(31, 3, 255) |
| HSL | hsl(247, 100%, 51%) |
| CMYK | cmyk(88%, 99%, 0%, 0%) |
| LAB | lab(33.1 79.0 -106.5) |
| LCH | lch(33.1 132.6 306.5) |
| OKLCH | oklch(0.459 0.308 266.9) |
Copy-ready code
/* CSS */
color: #1f03ff;
background-color: #1f03ff;
/* Tailwind (arbitrary) */
class="text-[#1f03ff] bg-[#1f03ff]"
/* SCSS */
$brand: #1f03ff;
/* SwiftUI */
Color(red: 0.122, green: 0.012, blue: 1.000)
/* Android */
Color.parseColor("#1f03ff")Accessibility — WCAG contrast
Aa
#1f03ff on white: 8.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1f03ff on black: 2.52:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.2%
Green1.2%
Blue100.0%
CMYK percentages
Cyan87.8%
Magenta98.8%
Yellow0.0%
Key (black)0.0%
Color previews
#1f03ff text on a black background
contrast 2.52:1
Card sample
#1f03ff text on a white background
contrast 8.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1f03ff;
Background color
Panel with #1f03ff background
background-color: #1f03ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1f03ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(31, 3, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(31, 3, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1f03ff; background: linear-gradient(135deg, #1f03ff, #C703FF);