#151dfb
a balanced, electric blue · warm · closest name: blue
RGB
21, 29, 251
HSL
238°, 97%, 53%
CMYK
92, 88, 0, 2
Luminance
0.0800
Every format
| HEX | #151dfb |
| RGB | rgb(21, 29, 251) |
| HSL | hsl(238, 97%, 53%) |
| CMYK | cmyk(92%, 88%, 0%, 2%) |
| LAB | lab(34.0 72.5 -102.8) |
| LCH | lch(34.0 125.8 305.2) |
| OKLCH | oklch(0.463 0.298 265.7) |
Copy-ready code
/* CSS */
color: #151dfb;
background-color: #151dfb;
/* Tailwind (arbitrary) */
class="text-[#151dfb] bg-[#151dfb]"
/* SCSS */
$brand: #151dfb;
/* SwiftUI */
Color(red: 0.082, green: 0.114, blue: 0.984)
/* Android */
Color.parseColor("#151dfb")Accessibility — WCAG contrast
Aa
#151dfb on white: 8.07:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#151dfb on black: 2.60:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green11.4%
Blue98.4%
CMYK percentages
Cyan91.6%
Magenta88.4%
Yellow0.0%
Key (black)1.6%
Color previews
#151dfb text on a black background
contrast 2.60:1
Card sample
#151dfb text on a white background
contrast 8.07:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #151dfb;
Background color
Panel with #151dfb background
background-color: #151dfb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #151dfb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 29, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 29, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #151dfb; background: linear-gradient(135deg, #151dfb, #A615FB);