#643E62#643E62

#643E62 is a dark, moderate purple. Relative luminance 0.070; OKLCH L 42.2% C 0.075 H 328.7°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#643E62
RGB	rgb(100, 62, 98)
HSL	hsl(303, 23%, 32%)
HSV	hsv(303, 38%, 39%)
CMYK	cmyk(0%, 38%, 2%, 60.8%)
CIE-LAB	lab(31.89, 23.00, -14.44)
CIE-LCH	lch(31.89, 27.16, 327.87°)
OKLab	oklab(42.21% 0.0643 -0.0392)
OKLCH	oklch(42.21% 0.075 328.7)
XYZ	xyz(9.1826, 7.0368, 12.4275)
Luminance	0.0704 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E62 #3E6440

analogous

#533E64 #643E62 #643E4F

triadic

#643E62 #62643E #3E6264

tetradic

#643E62 #64533E #3E6440 #3E4F64

square

#643E62 #64533E #3E6440 #3E4F64

split-complementary

#643E62 #4F643E #3E6453

monochromatic

#180F18 #3E273D #643E62 #8A5587 #A974A6

Accessibility & contrast

On white

8.72

#643E62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#643E62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E62

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E62	#FFFFFF	#000000	##FFFFFF
##643E62	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4863

Deuteranopia (green-blind)

#464D61

Tritanopia (blue-blind)

#67414B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643e62;
/* rgb */ color: rgb(100, 62, 98);
/* oklch */ color: oklch(42.2% 0.075 328.7);

Tailwind

colors: {
  custom: {
    50: '#91748e',
    500: '#643e62',
    950: '#000000',
  },
}

SCSS

$custom: #643e62;
$custom-light: #91748e;
$custom-dark: #000000;

JSON

{
  "hex": "#643e62",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 98
  },
  "hsl": {
    "h": 303.158,
    "s": 23.457,
    "l": 31.765
  },
  "oklch": {
    "l": 0.42205,
    "c": 0.07528,
    "h": 328.7
  },
  "luminance": 0.07036
}

Semantic roles & 50–950 ramp

primary

#643E62

secondary

#6A946C

accent

#C06D68

background

#F8F7F8

surface

#F0EDF0

border

#CBC8CB

text

#0D080C

muted

#7D7B7D

Preview Lab

Preview with #643E62

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →