#151cdd
a balanced, electric blue · warm · closest name: blue
RGB
21, 28, 221
HSL
238°, 83%, 48%
CMYK
91, 87, 0, 13
Luminance
0.0621
Every format
| HEX | #151cdd |
| RGB | rgb(21, 28, 221) |
| HSL | hsl(238, 83%, 48%) |
| CMYK | cmyk(91%, 87%, 0%, 13%) |
| LAB | lab(29.9 64.6 -92.5) |
| LCH | lch(29.9 112.8 304.9) |
| OKLCH | oklch(0.424 0.268 266.2) |
Copy-ready code
/* CSS */
color: #151cdd;
background-color: #151cdd;
/* Tailwind (arbitrary) */
class="text-[#151cdd] bg-[#151cdd]"
/* SCSS */
$brand: #151cdd;
/* SwiftUI */
Color(red: 0.082, green: 0.110, blue: 0.867)
/* Android */
Color.parseColor("#151cdd")Accessibility — WCAG contrast
Aa
#151cdd on white: 9.37:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#151cdd on black: 2.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green11.0%
Blue86.7%
CMYK percentages
Cyan90.5%
Magenta87.3%
Yellow0.0%
Key (black)13.3%
Color previews
#151cdd text on a black background
contrast 2.24:1
Card sample
#151cdd text on a white background
contrast 9.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #151cdd;
Background color
Panel with #151cdd background
background-color: #151cdd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #151cdd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 28, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 28, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #151cdd; background: linear-gradient(135deg, #151cdd, #9315DD);