#237dfd
a balanced, electric blue · cool · closest name: royalblue
RGB
35, 125, 253
HSL
215°, 98%, 57%
CMYK
86, 51, 0, 1
Luminance
0.2212
Every format
| HEX | #237dfd |
| RGB | rgb(35, 125, 253) |
| HSL | hsl(215, 98%, 57%) |
| CMYK | cmyk(86%, 51%, 0%, 1%) |
| LAB | lab(54.1 21.2 -70.7) |
| LCH | lch(54.1 73.8 286.7) |
| OKLCH | oklch(0.612 0.208 258.6) |
Copy-ready code
/* CSS */
color: #237dfd;
background-color: #237dfd;
/* Tailwind (arbitrary) */
class="text-[#237dfd] bg-[#237dfd]"
/* SCSS */
$brand: #237dfd;
/* SwiftUI */
Color(red: 0.137, green: 0.490, blue: 0.992)
/* Android */
Color.parseColor("#237dfd")Accessibility — WCAG contrast
Aa
#237dfd on white: 3.87:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#237dfd on black: 5.42:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green49.0%
Blue99.2%
CMYK percentages
Cyan86.2%
Magenta50.6%
Yellow0.0%
Key (black)0.8%
Color previews
#237dfd text on a black background
contrast 5.42:1
Card sample
#237dfd text on a white background
contrast 3.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #237dfd;
Background color
Panel with #237dfd background
background-color: #237dfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #237dfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 125, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 125, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #237dfd; background: linear-gradient(135deg, #237dfd, #5A23FD);