#555bff
a light, electric blue · warm · closest name: slateblue
RGB
85, 91, 255
HSL
238°, 100%, 67%
CMYK
67, 64, 0, 0
Luminance
0.1663
Every format
| HEX | #555bff |
| RGB | rgb(85, 91, 255) |
| HSL | hsl(238, 100%, 67%) |
| CMYK | cmyk(67%, 64%, 0%, 0%) |
| LAB | lab(47.8 47.6 -82.1) |
| LCH | lch(47.8 94.9 300.1) |
| OKLCH | oklch(0.570 0.238 274.3) |
Copy-ready code
/* CSS */
color: #555bff;
background-color: #555bff;
/* Tailwind (arbitrary) */
class="text-[#555bff] bg-[#555bff]"
/* SCSS */
$brand: #555bff;
/* SwiftUI */
Color(red: 0.333, green: 0.357, blue: 1.000)
/* Android */
Color.parseColor("#555bff")Accessibility — WCAG contrast
Aa
#555bff on white: 4.85:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#555bff on black: 4.33:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green35.7%
Blue100.0%
CMYK percentages
Cyan66.7%
Magenta64.3%
Yellow0.0%
Key (black)0.0%
Color previews
#555bff text on a black background
contrast 4.33:1
Card sample
#555bff text on a white background
contrast 4.85:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #555bff;
Background color
Panel with #555bff background
background-color: #555bff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #555bff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 91, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 91, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #555bff; background: linear-gradient(135deg, #555bff, #C055FF);