#643499#643499

#643499 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 43.9% C 0.158 H 302.1°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#643499
RGB	rgb(100, 52, 153)
HSL	hsl(269, 49%, 40%)
HSV	hsv(269, 66%, 60%)
CMYK	cmyk(34.6%, 66%, 0%, 40%)
CIE-LAB	lab(32.84, 41.91, -47.26)
CIE-LCH	lch(32.84, 63.16, 311.57°)
OKLab	oklab(43.93% 0.0842 -0.1343)
OKLCH	oklch(43.93% 0.158 302.1)
XYZ	xyz(12.2319, 7.4652, 30.9273)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643499 #699934

analogous

#343699 #643499 #963499

triadic

#643499 #996434 #349964

tetradic

#643499 #993436 #699934 #349996

square

#643499 #993436 #699934 #349996

split-complementary

#643499 #999634 #369934

monochromatic

#28153E #46246B #643499 #8249C1 #A177D1

Accessibility & contrast

On white

8.42

#643499 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#643499 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643499

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643499	#FFFFFF	#000000	##FFFFFF
##643499	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9C

Deuteranopia (green-blind)

#0C4D97

Tritanopia (blue-blind)

#594A62

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #643499;
/* rgb */ color: rgb(100, 52, 153);
/* oklch */ color: oklch(43.9% 0.158 302.1);

Tailwind

colors: {
  custom: {
    50: '#946fb8',
    500: '#643499',
    950: '#000000',
  },
}

SCSS

$custom: #643499;
$custom-light: #946fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#643499",
  "rgb": {
    "r": 100,
    "g": 52,
    "b": 153
  },
  "hsl": {
    "h": 268.515,
    "s": 49.268,
    "l": 40.196
  },
  "oklch": {
    "l": 0.43929,
    "c": 0.15847,
    "h": 302.1
  },
  "luminance": 0.07465
}

Semantic roles & 50–950 ramp

primary

#643499

secondary

#96B970

accent

#D94F97

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #643499

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

Preview Lab → · Contrast checker → · Palette generator →