#643186#643186

#643186 is a dark, vivid violet. Relative luminance 0.066; OKLCH L 42.1% C 0.141 H 309.3°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#643186
RGB	rgb(100, 49, 134)
HSL	hsl(276, 46%, 36%)
HSV	hsv(276, 63%, 53%)
CMYK	cmyk(25.4%, 63.4%, 0%, 47.5%)
CIE-LAB	lab(30.94, 38.75, -38.63)
CIE-LCH	lch(30.94, 54.72, 315.09°)
OKLab	oklab(42.14% 0.0891 -0.1089)
OKLCH	oklch(42.14% 0.141 309.3)
XYZ	xyz(10.6561, 6.6274, 23.2675)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643186 #538631

analogous

#393186 #643186 #86317D

triadic

#643186 #866431 #318664

tetradic

#643186 #863931 #538631 #317D86

square

#643186 #863931 #538631 #317D86

split-complementary

#643186 #7D8631 #318639

monochromatic

#21102C #432159 #643186 #8541B3 #A269C8

Accessibility & contrast

On white

9.03

#643186 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#643186 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643186

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643186	#FFFFFF	#000000	##FFFFFF
##643186	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4789

Deuteranopia (green-blind)

#254A84

Tritanopia (blue-blind)

#5F4257

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643186;
/* rgb */ color: rgb(100, 49, 134);
/* oklch */ color: oklch(42.1% 0.141 309.3);

Tailwind

colors: {
  custom: {
    50: '#936caa',
    500: '#643186',
    950: '#000000',
  },
}

SCSS

$custom: #643186;
$custom-light: #936caa;
$custom-dark: #000000;

JSON

{
  "hex": "#643186",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 134
  },
  "hsl": {
    "h": 276,
    "s": 46.448,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42136,
    "c": 0.1407,
    "h": 309.3
  },
  "luminance": 0.06627
}

Semantic roles & 50–950 ramp

primary

#643186

secondary

#82B063

accent

#D65287

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #643186

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

Preview Lab → · Contrast checker → · Palette generator →