#151df0
a balanced, electric blue · warm · closest name: blue
RGB
21, 29, 240
HSL
238°, 88%, 51%
CMYK
91, 88, 0, 6
Luminance
0.0733
Every format
| HEX | #151df0 |
| RGB | rgb(21, 29, 240) |
| HSL | hsl(238, 88%, 51%) |
| CMYK | cmyk(91%, 88%, 0%, 6%) |
| LAB | lab(32.5 69.5 -99.0) |
| LCH | lch(32.5 121.0 305.1) |
| OKLCH | oklch(0.449 0.287 265.9) |
Copy-ready code
/* CSS */
color: #151df0;
background-color: #151df0;
/* Tailwind (arbitrary) */
class="text-[#151df0] bg-[#151df0]"
/* SCSS */
$brand: #151df0;
/* SwiftUI */
Color(red: 0.082, green: 0.114, blue: 0.941)
/* Android */
Color.parseColor("#151df0")Accessibility — WCAG contrast
Aa
#151df0 on white: 8.52:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#151df0 on black: 2.47:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green11.4%
Blue94.1%
CMYK percentages
Cyan91.3%
Magenta87.9%
Yellow0.0%
Key (black)5.9%
Color previews
#151df0 text on a black background
contrast 2.47:1
Card sample
#151df0 text on a white background
contrast 8.52:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #151df0;
Background color
Panel with #151df0 background
background-color: #151df0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #151df0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 29, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 29, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #151df0; background: linear-gradient(135deg, #151df0, #9F15F0);