#643185#643185

#643185 is a dark, vivid violet. Relative luminance 0.066; OKLCH L 42.1% C 0.140 H 309.7°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#643185
RGB	rgb(100, 49, 133)
HSL	hsl(276, 46%, 36%)
HSV	hsv(276, 63%, 52%)
CMYK	cmyk(24.8%, 63.2%, 0%, 47.8%)
CIE-LAB	lab(30.88, 38.51, -38.12)
CIE-LCH	lch(30.88, 54.19, 315.30°)
OKLab	oklab(42.07% 0.0891 -0.1074)
OKLCH	oklch(42.07% 0.14 309.7)
XYZ	xyz(10.5867, 6.5996, 22.9019)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643185 #528531

analogous

#3A3185 #643185 #85317C

triadic

#643185 #856431 #318564

tetradic

#643185 #853A31 #528531 #317C85

square

#643185 #853A31 #528531 #317C85

split-complementary

#643185 #7C8531 #31853A

monochromatic

#21102C #422158 #643185 #8641B2 #A269C8

Accessibility & contrast

On white

9.05

#643185 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#643185 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643185

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643185	#FFFFFF	#000000	##FFFFFF
##643185	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4688

Deuteranopia (green-blind)

#264983

Tritanopia (blue-blind)

#604156

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643185;
/* rgb */ color: rgb(100, 49, 133);
/* oklch */ color: oklch(42.1% 0.140 309.7);

Tailwind

colors: {
  custom: {
    50: '#936ca9',
    500: '#643185',
    950: '#000000',
  },
}

SCSS

$custom: #643185;
$custom-light: #936ca9;
$custom-dark: #000000;

JSON

{
  "hex": "#643185",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 133
  },
  "hsl": {
    "h": 276.429,
    "s": 46.154,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42067,
    "c": 0.13955,
    "h": 309.7
  },
  "luminance": 0.06599
}

Semantic roles & 50–950 ramp

primary

#643185

secondary

#81AF63

accent

#D65286

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #643185

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

Preview Lab → · Contrast checker → · Palette generator →