#555bdd
a balanced, vivid blue · warm · closest name: slateblue
RGB
85, 91, 221
HSL
237°, 67%, 60%
CMYK
62, 59, 0, 13
Luminance
0.1463
Every format
| HEX | #555bdd |
| RGB | rgb(85, 91, 221) |
| HSL | hsl(237, 67%, 60%) |
| CMYK | cmyk(62%, 59%, 0%, 13%) |
| LAB | lab(45.1 36.5 -67.3) |
| LCH | lch(45.1 76.6 298.5) |
| OKLCH | oklch(0.542 0.195 275.8) |
Copy-ready code
/* CSS */
color: #555bdd;
background-color: #555bdd;
/* Tailwind (arbitrary) */
class="text-[#555bdd] bg-[#555bdd]"
/* SCSS */
$brand: #555bdd;
/* SwiftUI */
Color(red: 0.333, green: 0.357, blue: 0.867)
/* Android */
Color.parseColor("#555bdd")Accessibility — WCAG contrast
Aa
#555bdd on white: 5.35:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#555bdd on black: 3.93:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green35.7%
Blue86.7%
CMYK percentages
Cyan61.5%
Magenta58.8%
Yellow0.0%
Key (black)13.3%
Color previews
#555bdd text on a black background
contrast 3.93:1
Card sample
#555bdd text on a white background
contrast 5.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #555bdd;
Background color
Panel with #555bdd background
background-color: #555bdd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #555bdd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 91, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 91, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #555bdd; background: linear-gradient(135deg, #555bdd, #AA55DD);