#643590#643590

#643590 is a dark, vivid violet. Relative luminance 0.073; OKLCH L 43.4% C 0.146 H 304.8°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#643590
RGB	rgb(100, 53, 144)
HSL	hsl(271, 46%, 39%)
HSV	hsv(271, 63%, 56%)
CMYK	cmyk(30.6%, 63.2%, 0%, 43.5%)
CIE-LAB	lab(32.41, 39.07, -42.45)
CIE-LCH	lch(32.41, 57.69, 312.62°)
OKLab	oklab(43.42% 0.0836 -0.1201)
OKLCH	oklch(43.42% 0.146 304.8)
XYZ	xyz(11.5616, 7.2692, 27.1742)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643590 #619035

analogous

#363590 #643590 #90358E

triadic

#643590 #906435 #359064

tetradic

#643590 #903635 #619035 #358E90

square

#643590 #903635 #619035 #358E90

split-complementary

#643590 #8E9035 #359036

monochromatic

#261437 #452563 #643590 #8347BB #A174CC

Accessibility & contrast

On white

8.56

#643590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#643590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643590

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643590	#FFFFFF	#000000	##FFFFFF
##643590	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B93

Deuteranopia (green-blind)

#1F4C8E

Tritanopia (blue-blind)

#5C485D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #643590;
/* rgb */ color: rgb(100, 53, 144);
/* oklch */ color: oklch(43.4% 0.146 304.8);

Tailwind

colors: {
  custom: {
    50: '#936fb1',
    500: '#643590',
    950: '#000000',
  },
}

SCSS

$custom: #643590;
$custom-light: #936fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#643590",
  "rgb": {
    "r": 100,
    "g": 53,
    "b": 144
  },
  "hsl": {
    "h": 270.989,
    "s": 46.193,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43416,
    "c": 0.14634,
    "h": 304.8
  },
  "luminance": 0.07269
}

Semantic roles & 50–950 ramp

primary

#643590

secondary

#8FB46D

accent

#D65292

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0D0711

muted

#7E7A80

Preview Lab

Preview with #643590

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

Preview Lab → · Contrast checker → · Palette generator →