#643097#643097

#643097 is a dark, vivid violet. Relative luminance 0.071; OKLCH L 43.2% C 0.162 H 303.4°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#643097
RGB	rgb(100, 48, 151)
HSL	hsl(270, 52%, 39%)
HSV	hsv(270, 68%, 59%)
CMYK	cmyk(33.8%, 68.2%, 0%, 40.8%)
CIE-LAB	lab(31.94, 43.49, -47.50)
CIE-LCH	lch(31.94, 64.40, 312.47°)
OKLab	oklab(43.23% 0.0891 -0.135)
OKLCH	oklch(43.23% 0.162 303.4)
XYZ	xyz(11.8971, 7.0576, 30.0076)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643097 #639730

analogous

#303097 #643097 #973097

triadic

#643097 #976430 #309764

tetradic

#643097 #973030 #639730 #309797

square

#643097 #973030 #639730 #309797

split-complementary

#643097 #979730 #309730

monochromatic

#26123A #452169 #643097 #8341C3 #A170D2

Accessibility & contrast

On white

8.71

#643097 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#643097 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643097

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643097	#FFFFFF	#000000	##FFFFFF
##643097	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9A

Deuteranopia (green-blind)

#064B95

Tritanopia (blue-blind)

#5A475F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643097;
/* rgb */ color: rgb(100, 48, 151);
/* oklch */ color: oklch(43.2% 0.162 303.4);

Tailwind

colors: {
  custom: {
    50: '#946cb6',
    500: '#643097',
    950: '#000000',
  },
}

SCSS

$custom: #643097;
$custom-light: #946cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#643097",
  "rgb": {
    "r": 100,
    "g": 48,
    "b": 151
  },
  "hsl": {
    "h": 270.291,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43231,
    "c": 0.16169,
    "h": 303.4
  },
  "luminance": 0.07058
}

Semantic roles & 50–950 ramp

primary

#643097

secondary

#91B96A

accent

#DB4D93

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #643097

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

Preview Lab → · Contrast checker → · Palette generator →