#643BAE#643BAE

#643BAE is a mid, vivid violet. Relative luminance 0.089; OKLCH L 46.5% C 0.174 H 295.2°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#643BAE
RGB	rgb(100, 59, 174)
HSL	hsl(261, 49%, 46%)
HSV	hsv(261, 66%, 68%)
CMYK	cmyk(42.5%, 66.1%, 0%, 31.8%)
CIE-LAB	lab(35.78, 43.73, -55.14)
CIE-LCH	lch(35.78, 70.37, 308.41°)
OKLab	oklab(46.53% 0.074 -0.1575)
OKLCH	oklch(46.53% 0.174 295.2)
XYZ	xyz(14.4574, 8.8929, 40.9910)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643BAE #85AE3B

analogous

#3B4CAE #643BAE #9D3BAE

triadic

#643BAE #AE643B #3BAE64

tetradic

#643BAE #AE3B4C #85AE3B #3BAE9D

square

#643BAE #AE3B4C #85AE3B #3BAE9D

split-complementary

#643BAE #AE9D3B #4CAE3B

monochromatic

#2F1C53 #4A2C80 #643BAE #845EC8 #A78CD8

Accessibility & contrast

On white

7.56

#643BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#643BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643BAE

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BAE	#FFFFFF	#000000	##FFFFFF
##643BAE	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B2

Deuteranopia (green-blind)

#0052AC

Tritanopia (blue-blind)

#50566F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #643bae;
/* rgb */ color: rgb(100, 59, 174);
/* oklch */ color: oklch(46.5% 0.174 295.2);

Tailwind

colors: {
  custom: {
    50: '#9673c7',
    500: '#643bae',
    950: '#000000',
  },
}

SCSS

$custom: #643bae;
$custom-light: #9673c7;
$custom-dark: #000000;

JSON

{
  "hex": "#643bae",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 174
  },
  "hsl": {
    "h": 261.391,
    "s": 49.356,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46534,
    "c": 0.17396,
    "h": 295.2
  },
  "luminance": 0.08893
}

Semantic roles & 50–950 ramp

primary

#643BAE

secondary

#ACC282

accent

#D94FA8

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643BAE

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

Preview Lab → · Contrast checker → · Palette generator →