#643797#643797

#643797 is a dark, vivid violet. Relative luminance 0.077; OKLCH L 44.2% C 0.152 H 302.1°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#643797
RGB	rgb(100, 55, 151)
HSL	hsl(268, 47%, 40%)
HSV	hsv(268, 64%, 59%)
CMYK	cmyk(33.8%, 63.6%, 0%, 40.8%)
CIE-LAB	lab(33.30, 39.77, -45.30)
CIE-LCH	lch(33.30, 60.28, 311.28°)
OKLab	oklab(44.21% 0.0807 -0.1285)
OKLCH	oklch(44.21% 0.152 302.1)
XYZ	xyz(12.2063, 7.6760, 30.1107)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643797 #6A9737

analogous

#373A97 #643797 #943797

triadic

#643797 #976437 #379764

tetradic

#643797 #97373A #6A9737 #379794

square

#643797 #97373A #6A9737 #379794

split-complementary

#643797 #979437 #3A9737

monochromatic

#29163D #46276A #643797 #824DBE #A27ACF

Accessibility & contrast

On white

8.28

#643797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#643797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643797

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643797	#FFFFFF	#000000	##FFFFFF
##643797	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9A

Deuteranopia (green-blind)

#184E95

Tritanopia (blue-blind)

#5A4B62

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #643797;
/* rgb */ color: rgb(100, 55, 151);
/* oklch */ color: oklch(44.2% 0.152 302.1);

Tailwind

colors: {
  custom: {
    50: '#9470b6',
    500: '#643797',
    950: '#000000',
  },
}

SCSS

$custom: #643797;
$custom-light: #9470b6;
$custom-dark: #000000;

JSON

{
  "hex": "#643797",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 151
  },
  "hsl": {
    "h": 268.125,
    "s": 46.602,
    "l": 40.392
  },
  "oklch": {
    "l": 0.44213,
    "c": 0.15176,
    "h": 302.1
  },
  "luminance": 0.07676
}

Semantic roles & 50–950 ramp

primary

#643797

secondary

#97B872

accent

#D65298

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0D0811

muted

#7E7B80

Preview Lab

Preview with #643797

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

Preview Lab → · Contrast checker → · Palette generator →