#3003ff
a balanced, electric blue · warm · closest name: blue
RGB
48, 3, 255
HSL
251°, 100%, 51%
CMYK
81, 99, 0, 0
Luminance
0.0791
Every format
| HEX | #3003ff |
| RGB | rgb(48, 3, 255) |
| HSL | hsl(251, 100%, 51%) |
| CMYK | cmyk(81%, 99%, 0%, 0%) |
| LAB | lab(33.8 79.2 -105.3) |
| LCH | lch(33.8 131.8 306.9) |
| OKLCH | oklch(0.466 0.304 270.0) |
Copy-ready code
/* CSS */
color: #3003ff;
background-color: #3003ff;
/* Tailwind (arbitrary) */
class="text-[#3003ff] bg-[#3003ff]"
/* SCSS */
$brand: #3003ff;
/* SwiftUI */
Color(red: 0.188, green: 0.012, blue: 1.000)
/* Android */
Color.parseColor("#3003ff")Accessibility — WCAG contrast
Aa
#3003ff on white: 8.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3003ff on black: 2.58:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green1.2%
Blue100.0%
CMYK percentages
Cyan81.2%
Magenta98.8%
Yellow0.0%
Key (black)0.0%
Color previews
#3003ff text on a black background
contrast 2.58:1
Card sample
#3003ff text on a white background
contrast 8.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3003ff;
Background color
Panel with #3003ff background
background-color: #3003ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3003ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 3, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 3, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3003ff; background: linear-gradient(135deg, #3003ff, #D803FF);