#645757
a dark, muted gray · warm · closest name: gray
RGB
100, 87, 87
HSL
0°, 7%, 37%
CMYK
0, 13, 13, 61
Luminance
0.1021
Every format
| HEX | #645757 |
| RGB | rgb(100, 87, 87) |
| HSL | hsl(0, 7%, 37%) |
| CMYK | cmyk(0%, 13%, 13%, 61%) |
| LAB | lab(38.2 5.3 1.9) |
| LCH | lch(38.2 5.7 20.2) |
| OKLCH | oklch(0.469 0.017 17.8) |
Copy-ready code
/* CSS */
color: #645757;
background-color: #645757;
/* Tailwind (arbitrary) */
class="text-[#645757] bg-[#645757]"
/* SCSS */
$brand: #645757;
/* SwiftUI */
Color(red: 0.392, green: 0.341, blue: 0.341)
/* Android */
Color.parseColor("#645757")Accessibility — WCAG contrast
Aa
#645757 on white: 6.90:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#645757 on black: 3.04:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green34.1%
Blue34.1%
CMYK percentages
Cyan0.0%
Magenta13.0%
Yellow13.0%
Key (black)60.8%
Color previews
#645757 text on a black background
contrast 3.04:1
Card sample
#645757 text on a white background
contrast 6.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #645757;
Background color
Panel with #645757 background
background-color: #645757;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #645757;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 87, 87, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 87, 87, 0.45);
Border & gradient
Gradient panel
border: 3px solid #645757; background: linear-gradient(135deg, #645757, #646057);