#6557df
a balanced, vivid blue · warm · closest name: slateblue
RGB
101, 87, 223
HSL
246°, 68%, 61%
CMYK
55, 61, 0, 13
Luminance
0.1491
Every format
| HEX | #6557df |
| RGB | rgb(101, 87, 223) |
| HSL | hsl(246, 68%, 61%) |
| CMYK | cmyk(55%, 61%, 0%, 13%) |
| LAB | lab(45.5 42.3 -67.8) |
| LCH | lch(45.5 79.9 302.0) |
| OKLCH | oklch(0.548 0.199 282.3) |
Copy-ready code
/* CSS */
color: #6557df;
background-color: #6557df;
/* Tailwind (arbitrary) */
class="text-[#6557df] bg-[#6557df]"
/* SCSS */
$brand: #6557df;
/* SwiftUI */
Color(red: 0.396, green: 0.341, blue: 0.875)
/* Android */
Color.parseColor("#6557df")Accessibility — WCAG contrast
Aa
#6557df on white: 5.27:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#6557df on black: 3.98:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.6%
Green34.1%
Blue87.5%
CMYK percentages
Cyan54.7%
Magenta61.0%
Yellow0.0%
Key (black)12.5%
Color previews
#6557df text on a black background
contrast 3.98:1
Card sample
#6557df text on a white background
contrast 5.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #6557df;
Background color
Panel with #6557df background
background-color: #6557df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #6557df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(101, 87, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(101, 87, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6557df; background: linear-gradient(135deg, #6557df, #C057DF);