#643090#643090

#643090 is a dark, vivid violet. Relative luminance 0.068; OKLCH L 42.7% C 0.154 H 305.7°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#643090
RGB	rgb(100, 48, 144)
HSL	hsl(273, 50%, 38%)
HSV	hsv(273, 67%, 56%)
CMYK	cmyk(30.6%, 66.7%, 0%, 43.5%)
CIE-LAB	lab(31.43, 41.73, -44.03)
CIE-LCH	lch(31.43, 60.67, 313.47°)
OKLab	oklab(42.71% 0.0898 -0.1247)
OKLCH	oklch(42.71% 0.154 305.7)
XYZ	xyz(11.3454, 6.8369, 27.1021)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643090 #5C9030

analogous

#343090 #643090 #90308C

triadic

#643090 #906430 #309064

tetradic

#643090 #903430 #5C9030 #308C90

square

#643090 #903430 #5C9030 #308C90

split-complementary

#643090 #8C9030 #309034

monochromatic

#241134 #442162 #643090 #843FBE #A16CCE

Accessibility & contrast

On white

8.87

#643090 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#643090 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643090

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643090	#FFFFFF	#000000	##FFFFFF
##643090	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#174A8E

Tritanopia (blue-blind)

#5C455B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #643090;
/* rgb */ color: rgb(100, 48, 144);
/* oklch */ color: oklch(42.7% 0.154 305.7);

Tailwind

colors: {
  custom: {
    50: '#946cb1',
    500: '#643090',
    950: '#000000',
  },
}

SCSS

$custom: #643090;
$custom-light: #946cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#643090",
  "rgb": {
    "r": 100,
    "g": 48,
    "b": 144
  },
  "hsl": {
    "h": 272.5,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42708,
    "c": 0.15369,
    "h": 305.7
  },
  "luminance": 0.06837
}

Semantic roles & 50–950 ramp

primary

#643090

secondary

#8BB566

accent

#DA4E8E

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0D0711

muted

#7E7A80

Preview Lab

Preview with #643090

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

Preview Lab → · Contrast checker → · Palette generator →