#151fef
a balanced, electric blue · warm · closest name: blue
RGB
21, 31, 239
HSL
237°, 87%, 51%
CMYK
91, 87, 0, 6
Luminance
0.0737
Every format
| HEX | #151fef |
| RGB | rgb(21, 31, 239) |
| HSL | hsl(237, 87%, 51%) |
| CMYK | cmyk(91%, 87%, 0%, 6%) |
| LAB | lab(32.6 68.6 -98.3) |
| LCH | lch(32.6 119.8 304.9) |
| OKLCH | oklch(0.449 0.285 265.9) |
Copy-ready code
/* CSS */
color: #151fef;
background-color: #151fef;
/* Tailwind (arbitrary) */
class="text-[#151fef] bg-[#151fef]"
/* SCSS */
$brand: #151fef;
/* SwiftUI */
Color(red: 0.082, green: 0.122, blue: 0.937)
/* Android */
Color.parseColor("#151fef")Accessibility — WCAG contrast
Aa
#151fef on white: 8.49:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#151fef on black: 2.47:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green12.2%
Blue93.7%
CMYK percentages
Cyan91.2%
Magenta87.0%
Yellow0.0%
Key (black)6.3%
Color previews
#151fef text on a black background
contrast 2.47:1
Card sample
#151fef text on a white background
contrast 8.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #151fef;
Background color
Panel with #151fef background
background-color: #151fef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #151fef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 31, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 31, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #151fef; background: linear-gradient(135deg, #151fef, #9C15EF);