#557dfd
a light, electric blue · warm · closest name: royalblue
RGB
85, 125, 253
HSL
226°, 98%, 66%
CMYK
66, 51, 0, 1
Luminance
0.2369
Every format
| HEX | #557dfd |
| RGB | rgb(85, 125, 253) |
| HSL | hsl(226, 98%, 66%) |
| CMYK | cmyk(66%, 51%, 0%, 1%) |
| LAB | lab(55.8 26.5 -68.0) |
| LCH | lch(55.8 73.0 291.3) |
| OKLCH | oklch(0.628 0.195 267.5) |
Copy-ready code
/* CSS */
color: #557dfd;
background-color: #557dfd;
/* Tailwind (arbitrary) */
class="text-[#557dfd] bg-[#557dfd]"
/* SCSS */
$brand: #557dfd;
/* SwiftUI */
Color(red: 0.333, green: 0.490, blue: 0.992)
/* Android */
Color.parseColor("#557dfd")Accessibility — WCAG contrast
Aa
#557dfd on white: 3.66:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#557dfd on black: 5.74:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green49.0%
Blue99.2%
CMYK percentages
Cyan66.4%
Magenta50.6%
Yellow0.0%
Key (black)0.8%
Color previews
#557dfd text on a black background
contrast 5.74:1
Card sample
#557dfd text on a white background
contrast 3.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #557dfd;
Background color
Panel with #557dfd background
background-color: #557dfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #557dfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 125, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 125, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #557dfd; background: linear-gradient(135deg, #557dfd, #9D55FD);