#157dfd
a balanced, electric blue · cool · closest name: royalblue
RGB
21, 125, 253
HSL
213°, 98%, 54%
CMYK
92, 51, 0, 1
Luminance
0.2192
Every format
| HEX | #157dfd |
| RGB | rgb(21, 125, 253) |
| HSL | hsl(213, 98%, 54%) |
| CMYK | cmyk(92%, 51%, 0%, 1%) |
| LAB | lab(53.9 20.5 -71.1) |
| LCH | lch(53.9 74.0 286.1) |
| OKLCH | oklch(0.609 0.210 257.5) |
Copy-ready code
/* CSS */
color: #157dfd;
background-color: #157dfd;
/* Tailwind (arbitrary) */
class="text-[#157dfd] bg-[#157dfd]"
/* SCSS */
$brand: #157dfd;
/* SwiftUI */
Color(red: 0.082, green: 0.490, blue: 0.992)
/* Android */
Color.parseColor("#157dfd")Accessibility — WCAG contrast
Aa
#157dfd on white: 3.90:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#157dfd on black: 5.38:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green49.0%
Blue99.2%
CMYK percentages
Cyan91.7%
Magenta50.6%
Yellow0.0%
Key (black)0.8%
Color previews
#157dfd text on a black background
contrast 5.38:1
Card sample
#157dfd text on a white background
contrast 3.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #157dfd;
Background color
Panel with #157dfd background
background-color: #157dfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #157dfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 125, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 125, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #157dfd; background: linear-gradient(135deg, #157dfd, #4815FD);