#237afd
a balanced, electric blue · cool · closest name: royalblue
RGB
35, 122, 253
HSL
216°, 98%, 57%
CMYK
86, 52, 0, 1
Luminance
0.2137
Every format
| HEX | #237afd |
| RGB | rgb(35, 122, 253) |
| HSL | hsl(216, 98%, 57%) |
| CMYK | cmyk(86%, 52%, 0%, 1%) |
| LAB | lab(53.4 23.1 -72.0) |
| LCH | lch(53.4 75.6 287.7) |
| OKLCH | oklch(0.605 0.211 259.3) |
Copy-ready code
/* CSS */
color: #237afd;
background-color: #237afd;
/* Tailwind (arbitrary) */
class="text-[#237afd] bg-[#237afd]"
/* SCSS */
$brand: #237afd;
/* SwiftUI */
Color(red: 0.137, green: 0.478, blue: 0.992)
/* Android */
Color.parseColor("#237afd")Accessibility — WCAG contrast
Aa
#237afd on white: 3.98:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#237afd on black: 5.27:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green47.8%
Blue99.2%
CMYK percentages
Cyan86.2%
Magenta51.8%
Yellow0.0%
Key (black)0.8%
Color previews
#237afd text on a black background
contrast 5.27:1
Card sample
#237afd text on a white background
contrast 3.98:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #237afd;
Background color
Panel with #237afd background
background-color: #237afd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #237afd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 122, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 122, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #237afd; background: linear-gradient(135deg, #237afd, #5E23FD);