#643A65#643A65

#643A65 is a dark, moderate purple. Relative luminance 0.067; OKLCH L 41.6% C 0.087 H 326.2°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#643A65
RGB	rgb(100, 58, 101)
HSL	hsl(299, 27%, 31%)
HSV	hsv(299, 43%, 40%)
CMYK	cmyk(1%, 42.6%, 0%, 60.4%)
CIE-LAB	lab(31.06, 26.05, -17.65)
CIE-LCH	lch(31.06, 31.47, 325.89°)
OKLab	oklab(41.62% 0.0719 -0.0482)
OKLCH	oklch(41.62% 0.087 326.2)
XYZ	xyz(9.1174, 6.6754, 13.1176)
Luminance	0.0668 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A65 #3B653A

analogous

#4E3A65 #643A65 #653A50

triadic

#643A65 #65643A #3A6564

tetradic

#643A65 #654E3A #3B653A #3A5065

square

#643A65 #654E3A #3B653A #3A5065

split-complementary

#643A65 #50653A #3A654E

monochromatic

#170D17 #3E243E #643A65 #8A508C #AA6EAC

Accessibility & contrast

On white

8.99

#643A65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#643A65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A65

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A65	#FFFFFF	#000000	##FFFFFF
##643A65	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364667

Deuteranopia (green-blind)

#414B64

Tritanopia (blue-blind)

#663E4A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643a65;
/* rgb */ color: rgb(100, 58, 101);
/* oklch */ color: oklch(41.6% 0.087 326.2);

Tailwind

colors: {
  custom: {
    50: '#917191',
    500: '#643a65',
    950: '#000000',
  },
}

SCSS

$custom: #643a65;
$custom-light: #917191;
$custom-dark: #000000;

JSON

{
  "hex": "#643a65",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 101
  },
  "hsl": {
    "h": 298.605,
    "s": 27.044,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41621,
    "c": 0.08654,
    "h": 326.2
  },
  "luminance": 0.06675
}

Semantic roles & 50–950 ramp

primary

#643A65

secondary

#679566

accent

#C36467

background

#F9F6F8

surface

#F1ECF0

border

#CBC7CB

text

#0D080C

muted

#7E7B7D

Preview Lab

Preview with #643A65

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

Preview Lab → · Contrast checker → · Palette generator →