#1f33eb
a balanced, electric blue · warm · closest name: blue
RGB
31, 51, 235
HSL
234°, 84%, 52%
CMYK
87, 78, 0, 8
Luminance
0.0866
Every format
| HEX | #1f33eb |
| RGB | rgb(31, 51, 235) |
| HSL | hsl(234, 84%, 52%) |
| CMYK | cmyk(87%, 78%, 0%, 8%) |
| LAB | lab(35.3 59.1 -91.5) |
| LCH | lch(35.3 109.0 302.8) |
| OKLCH | oklch(0.467 0.266 266.9) |
Copy-ready code
/* CSS */
color: #1f33eb;
background-color: #1f33eb;
/* Tailwind (arbitrary) */
class="text-[#1f33eb] bg-[#1f33eb]"
/* SCSS */
$brand: #1f33eb;
/* SwiftUI */
Color(red: 0.122, green: 0.200, blue: 0.922)
/* Android */
Color.parseColor("#1f33eb")Accessibility — WCAG contrast
Aa
#1f33eb on white: 7.69:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1f33eb on black: 2.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.2%
Green20.0%
Blue92.2%
CMYK percentages
Cyan86.8%
Magenta78.3%
Yellow0.0%
Key (black)7.8%
Color previews
#1f33eb text on a black background
contrast 2.73:1
Card sample
#1f33eb text on a white background
contrast 7.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1f33eb;
Background color
Panel with #1f33eb background
background-color: #1f33eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1f33eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(31, 51, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(31, 51, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1f33eb; background: linear-gradient(135deg, #1f33eb, #931FEB);