#643497#643497

#643497 is a dark, vivid violet. Relative luminance 0.074; OKLCH L 43.8% C 0.156 H 302.7°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#643497
RGB	rgb(100, 52, 151)
HSL	hsl(269, 49%, 40%)
HSV	hsv(269, 66%, 59%)
CMYK	cmyk(33.8%, 65.6%, 0%, 40.8%)
CIE-LAB	lab(32.70, 41.39, -46.27)
CIE-LCH	lch(32.70, 62.08, 311.82°)
OKLab	oklab(43.78% 0.0844 -0.1313)
OKLCH	oklch(43.78% 0.156 302.7)
XYZ	xyz(12.0681, 7.3997, 30.0646)
Luminance	0.0740 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643497 #679734

analogous

#343697 #643497 #953497

triadic

#643497 #976434 #349764

tetradic

#643497 #973436 #679734 #349795

square

#643497 #973436 #679734 #349795

split-complementary

#643497 #979534 #369734

monochromatic

#28153C #462469 #643497 #8248C0 #A176D0

Accessibility & contrast

On white

8.47

#643497 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#643497 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643497

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643497	#FFFFFF	#000000	##FFFFFF
##643497	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#114D95

Tritanopia (blue-blind)

#5A4A61

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #643497;
/* rgb */ color: rgb(100, 52, 151);
/* oklch */ color: oklch(43.8% 0.156 302.7);

Tailwind

colors: {
  custom: {
    50: '#946eb6',
    500: '#643497',
    950: '#000000',
  },
}

SCSS

$custom: #643497;
$custom-light: #946eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#643497",
  "rgb": {
    "r": 100,
    "g": 52,
    "b": 151
  },
  "hsl": {
    "h": 269.091,
    "s": 48.768,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4378,
    "c": 0.1561,
    "h": 302.7
  },
  "luminance": 0.074
}

Semantic roles & 50–950 ramp

primary

#643497

secondary

#95B86F

accent

#D84F96

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #643497

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

Preview Lab → · Contrast checker → · Palette generator →