#643F63#643F63
#643F63 is a dark, moderate purple. Relative luminance 0.072; OKLCH L 42.4% C 0.074 H 327.7°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).
Color values
| HEX | #643F63 |
|---|---|
| RGB | rgb(100, 63, 99) |
| HSL | hsl(302, 23%, 32%) |
| HSV | hsv(302, 37%, 39%) |
| CMYK | cmyk(0%, 37%, 1%, 60.8%) |
| CIE-LAB | lab(32.18, 22.60, -14.64) |
| CIE-LCH | lch(32.18, 26.93, 327.07°) |
| OKLab | oklab(42.44% 0.0629 -0.0397) |
| OKLCH | oklch(42.44% 0.074 327.7) |
| XYZ | xyz(9.2850, 7.1656, 12.6960) |
| Luminance | 0.0717 (WCAG relative) |
| Temperature | neutral |
| Family | purple |
Closest named colors
Grape
#6C3461
ΔE00 4.32
Dirty Purple
#734A65
ΔE00 5.27
Bruise
#7E4071
ΔE00 6.18
Light Eggplant
#894585
ΔE00 9.55
Dull Purple
#84597E
ΔE00 9.81
Muted Purple
#805B87
ΔE00 10.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#643F63 #3F6440
analogous
#533F64 #643F63 #643F51
triadic
#643F63 #63643F #3F6364
tetradic
#643F63 #64533F #3F6440 #3F5164
square
#643F63 #64533F #3F6440 #3F5164
split-complementary
#643F63 #51643F #3F6453
monochromatic
#191019 #3E273E #643F63 #8A5788 #A875A7
Accessibility & contrast
On white
8.63
#643F63 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.43
#643F63 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #643F63
8.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##643F63 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##643F63 | 1.00 | 8.63 | 2.43 | 8.63 |
| #FFFFFF | 8.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D4964
Deuteranopia (green-blind)
#464D62
Tritanopia (blue-blind)
#66424C
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #643f63; /* rgb */ color: rgb(100, 63, 99); /* oklch */ color: oklch(42.4% 0.074 327.7);
Tailwind
colors: {
custom: {
50: '#91758f',
500: '#643f63',
950: '#000000',
},
}SCSS
$custom: #643f63; $custom-light: #91758f; $custom-dark: #000000;
JSON
{
"hex": "#643f63",
"rgb": {
"r": 100,
"g": 63,
"b": 99
},
"hsl": {
"h": 301.622,
"s": 22.699,
"l": 31.961
},
"oklch": {
"l": 0.42439,
"c": 0.07437,
"h": 327.7
},
"luminance": 0.07165
}Semantic roles & 50–950 ramp
primary
#643F63
secondary
#6B946C
accent
#BF6B69
background
#F8F7F8
surface
#F0EDF0
border
#CBC8CB
text
#0D080C
muted
#7D7B7D