#151cf4
a balanced, electric blue · warm · closest name: blue
RGB
21, 28, 244
HSL
238°, 91%, 52%
CMYK
91, 89, 0, 4
Luminance
0.0752
Every format
| HEX | #151cf4 |
| RGB | rgb(21, 28, 244) |
| HSL | hsl(238, 91%, 52%) |
| CMYK | cmyk(91%, 89%, 0%, 4%) |
| LAB | lab(33.0 70.9 -100.5) |
| LCH | lch(33.0 123.1 305.2) |
| OKLCH | oklch(0.453 0.292 265.8) |
Copy-ready code
/* CSS */
color: #151cf4;
background-color: #151cf4;
/* Tailwind (arbitrary) */
class="text-[#151cf4] bg-[#151cf4]"
/* SCSS */
$brand: #151cf4;
/* SwiftUI */
Color(red: 0.082, green: 0.110, blue: 0.957)
/* Android */
Color.parseColor("#151cf4")Accessibility — WCAG contrast
Aa
#151cf4 on white: 8.39:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#151cf4 on black: 2.50:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green11.0%
Blue95.7%
CMYK percentages
Cyan91.4%
Magenta88.5%
Yellow0.0%
Key (black)4.3%
Color previews
#151cf4 text on a black background
contrast 2.50:1
Card sample
#151cf4 text on a white background
contrast 8.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #151cf4;
Background color
Panel with #151cf4 background
background-color: #151cf4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #151cf4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 28, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 28, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #151cf4; background: linear-gradient(135deg, #151cf4, #A315F4);