#555b99
a balanced, soft blue · warm · closest name: steelblue
RGB
85, 91, 153
HSL
235°, 29%, 47%
CMYK
44, 41, 0, 40
Luminance
0.1171
Every format
| HEX | #555b99 |
| RGB | rgb(85, 91, 153) |
| HSL | hsl(235, 29%, 47%) |
| CMYK | cmyk(44%, 41%, 0%, 40%) |
| LAB | lab(40.8 14.5 -34.7) |
| LCH | lch(40.8 37.6 292.7) |
| OKLCH | oklch(0.495 0.099 277.9) |
Copy-ready code
/* CSS */
color: #555b99;
background-color: #555b99;
/* Tailwind (arbitrary) */
class="text-[#555b99] bg-[#555b99]"
/* SCSS */
$brand: #555b99;
/* SwiftUI */
Color(red: 0.333, green: 0.357, blue: 0.600)
/* Android */
Color.parseColor("#555b99")Accessibility — WCAG contrast
Aa
#555b99 on white: 6.28:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#555b99 on black: 3.34:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green35.7%
Blue60.0%
CMYK percentages
Cyan44.4%
Magenta40.5%
Yellow0.0%
Key (black)40.0%
Color previews
#555b99 text on a black background
contrast 3.34:1
Card sample
#555b99 text on a white background
contrast 6.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #555b99;
Background color
Panel with #555b99 background
background-color: #555b99;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #555b99;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 91, 153, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 91, 153, 0.45);
Border & gradient
Gradient panel
border: 3px solid #555b99; background: linear-gradient(135deg, #555b99, #7C5599);