#643190#643190

#643190 is a dark, vivid violet. Relative luminance 0.069; OKLCH L 42.8% C 0.152 H 305.6°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#643190
RGB	rgb(100, 49, 144)
HSL	hsl(272, 49%, 38%)
HSV	hsv(272, 66%, 56%)
CMYK	cmyk(30.6%, 66%, 0%, 43.5%)
CIE-LAB	lab(31.62, 41.21, -43.72)
CIE-LCH	lch(31.62, 60.08, 313.31°)
OKLab	oklab(42.85% 0.0886 -0.1238)
OKLCH	oklch(42.85% 0.152 305.6)
XYZ	xyz(11.3868, 6.9197, 27.1159)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643190 #5D9031

analogous

#353190 #643190 #90318C

triadic

#643190 #906431 #319064

tetradic

#643190 #903531 #5D9031 #318C90

square

#643190 #903531 #5D9031 #318C90

split-complementary

#643190 #8C9031 #319035

monochromatic

#251235 #442162 #643190 #8441BE #A16ECE

Accessibility & contrast

On white

8.81

#643190 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#643190 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643190

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643190	#FFFFFF	#000000	##FFFFFF
##643190	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004993

Deuteranopia (green-blind)

#194B8E

Tritanopia (blue-blind)

#5C455C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #643190;
/* rgb */ color: rgb(100, 49, 144);
/* oklch */ color: oklch(42.8% 0.152 305.6);

Tailwind

colors: {
  custom: {
    50: '#946cb1',
    500: '#643190',
    950: '#000000',
  },
}

SCSS

$custom: #643190;
$custom-light: #946cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#643190",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 144
  },
  "hsl": {
    "h": 272.211,
    "s": 49.223,
    "l": 37.843
  },
  "oklch": {
    "l": 0.42846,
    "c": 0.15225,
    "h": 305.6
  },
  "luminance": 0.0692
}

Semantic roles & 50–950 ramp

primary

#643190

secondary

#8CB568

accent

#D94F8F

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0D0711

muted

#7E7A80

Preview Lab

Preview with #643190

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

Preview Lab → · Contrast checker → · Palette generator →