#643586#643586

#643586 is a dark, vivid violet. Relative luminance 0.070; OKLCH L 42.7% C 0.134 H 308.5°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#643586
RGB	rgb(100, 53, 134)
HSL	hsl(275, 43%, 37%)
HSV	hsv(275, 60%, 53%)
CMYK	cmyk(25.4%, 60.4%, 0%, 47.5%)
CIE-LAB	lab(31.75, 36.57, -37.34)
CIE-LCH	lch(31.75, 52.26, 314.41°)
OKLab	oklab(42.73% 0.0837 -0.1051)
OKLCH	oklch(42.73% 0.134 308.5)
XYZ	xyz(10.8309, 6.9769, 23.3257)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643586 #578635

analogous

#3C3586 #643586 #863580

triadic

#643586 #866435 #358664

tetradic

#643586 #863C35 #578635 #358086

square

#643586 #863C35 #578635 #358086

split-complementary

#643586 #808635 #35863C

monochromatic

#23122E #43245A #643586 #8546B2 #A26FC6

Accessibility & contrast

On white

8.77

#643586 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#643586 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643586

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643586	#FFFFFF	#000000	##FFFFFF
##643586	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164989

Deuteranopia (green-blind)

#2A4B84

Tritanopia (blue-blind)

#5F4458

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643586;
/* rgb */ color: rgb(100, 53, 134);
/* oklch */ color: oklch(42.7% 0.134 308.5);

Tailwind

colors: {
  custom: {
    50: '#936faa',
    500: '#643586',
    950: '#000000',
  },
}

SCSS

$custom: #643586;
$custom-light: #936faa;
$custom-dark: #000000;

JSON

{
  "hex": "#643586",
  "rgb": {
    "r": 100,
    "g": 53,
    "b": 134
  },
  "hsl": {
    "h": 274.815,
    "s": 43.316,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42727,
    "c": 0.13441,
    "h": 308.5
  },
  "luminance": 0.06977
}

Semantic roles & 50–950 ramp

primary

#643586

secondary

#86AE68

accent

#D3558A

background

#F9F6FA

surface

#F2ECF4

border

#CCC7CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #643586

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

Preview Lab → · Contrast checker → · Palette generator →