#643383#643383

#643383 is a dark, vivid violet. Relative luminance 0.067; OKLCH L 42.2% C 0.134 H 310.1°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#643383
RGB	rgb(100, 51, 131)
HSL	hsl(277, 44%, 36%)
HSV	hsv(277, 61%, 51%)
CMYK	cmyk(23.7%, 61.1%, 0%, 48.6%)
CIE-LAB	lab(31.15, 36.94, -36.44)
CIE-LCH	lch(31.15, 51.89, 315.40°)
OKLab	oklab(42.23% 0.0864 -0.1025)
OKLCH	oklch(42.23% 0.134 310.1)
XYZ	xyz(10.5353, 6.7159, 22.2096)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643383 #528333

analogous

#3C3383 #643383 #83337A

triadic

#643383 #836433 #338364

tetradic

#643383 #833C33 #528333 #337A83

square

#643383 #833C33 #528333 #337A83

split-complementary

#643383 #7A8333 #33833C

monochromatic

#21112B #422257 #643383 #8644AF #A26BC5

Accessibility & contrast

On white

8.96

#643383 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#643383 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643383

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643383	#FFFFFF	#000000	##FFFFFF
##643383	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154786

Deuteranopia (green-blind)

#2A4A81

Tritanopia (blue-blind)

#604256

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643383;
/* rgb */ color: rgb(100, 51, 131);
/* oklch */ color: oklch(42.2% 0.134 310.1);

Tailwind

colors: {
  custom: {
    50: '#936da7',
    500: '#643383',
    950: '#000000',
  },
}

SCSS

$custom: #643383;
$custom-light: #936da7;
$custom-dark: #000000;

JSON

{
  "hex": "#643383",
  "rgb": {
    "r": 100,
    "g": 51,
    "b": 131
  },
  "hsl": {
    "h": 276.75,
    "s": 43.956,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42225,
    "c": 0.13406,
    "h": 310.1
  },
  "luminance": 0.06716
}

Semantic roles & 50–950 ramp

primary

#643383

secondary

#81AD65

accent

#D45486

background

#F9F6FA

surface

#F1ECF4

border

#CBC7CE

text

#0D070F

muted

#7E7A7F

Preview Lab

Preview with #643383

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

Preview Lab → · Contrast checker → · Palette generator →