#643198#643198

#643198 is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.4% C 0.161 H 302.9°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#643198
RGB	rgb(100, 49, 152)
HSL	hsl(270, 51%, 39%)
HSV	hsv(270, 68%, 60%)
CMYK	cmyk(34.2%, 67.8%, 0%, 40.4%)
CIE-LAB	lab(32.20, 43.23, -47.69)
CIE-LCH	lch(32.20, 64.37, 312.19°)
OKLab	oklab(43.44% 0.0878 -0.1355)
OKLCH	oklch(43.44% 0.161 302.9)
XYZ	xyz(12.0200, 7.1729, 30.4509)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643198 #659831

analogous

#313198 #643198 #983198

triadic

#643198 #986431 #319864

tetradic

#643198 #983131 #659831 #319898

square

#643198 #983131 #659831 #319898

split-complementary

#643198 #989831 #319831

monochromatic

#27133B #46226A #643198 #8244C3 #A172D2

Accessibility & contrast

On white

8.63

#643198 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#643198 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643198

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643198	#FFFFFF	#000000	##FFFFFF
##643198	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9B

Deuteranopia (green-blind)

#054B96

Tritanopia (blue-blind)

#5A4860

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #643198;
/* rgb */ color: rgb(100, 49, 152);
/* oklch */ color: oklch(43.4% 0.161 302.9);

Tailwind

colors: {
  custom: {
    50: '#946db7',
    500: '#643198',
    950: '#000000',
  },
}

SCSS

$custom: #643198;
$custom-light: #946db7;
$custom-dark: #000000;

JSON

{
  "hex": "#643198",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 152
  },
  "hsl": {
    "h": 269.709,
    "s": 51.244,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43441,
    "c": 0.16147,
    "h": 302.9
  },
  "luminance": 0.07173
}

Semantic roles & 50–950 ramp

primary

#643198

secondary

#93B96B

accent

#DB4D95

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #643198

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

Preview Lab → · Contrast checker → · Palette generator →