#643694#643694

#643694 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 43.8% C 0.150 H 303.3°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#643694
RGB	rgb(100, 54, 148)
HSL	hsl(269, 47%, 40%)
HSV	hsv(269, 64%, 58%)
CMYK	cmyk(32.4%, 63.5%, 0%, 42%)
CIE-LAB	lab(32.89, 39.54, -44.13)
CIE-LCH	lch(32.89, 59.26, 311.86°)
OKLab	oklab(43.85% 0.0821 -0.1251)
OKLCH	oklch(43.85% 0.15 303.3)
XYZ	xyz(11.9188, 7.4858, 28.8282)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643694 #669436

analogous

#363794 #643694 #933694

triadic

#643694 #946436 #369464

tetradic

#643694 #943637 #669436 #369493

square

#643694 #943637 #669436 #369493

split-complementary

#643694 #949336 #379436

monochromatic

#27153A #462667 #643694 #824ABD #A177CD

Accessibility & contrast

On white

8.41

#643694 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#643694 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643694

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643694	#FFFFFF	#000000	##FFFFFF
##643694	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C97

Deuteranopia (green-blind)

#1B4D92

Tritanopia (blue-blind)

#5B4A60

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #643694;
/* rgb */ color: rgb(100, 54, 148);
/* oklch */ color: oklch(43.8% 0.150 303.3);

Tailwind

colors: {
  custom: {
    50: '#9470b4',
    500: '#643694',
    950: '#000000',
  },
}

SCSS

$custom: #643694;
$custom-light: #9470b4;
$custom-dark: #000000;

JSON

{
  "hex": "#643694",
  "rgb": {
    "r": 100,
    "g": 54,
    "b": 148
  },
  "hsl": {
    "h": 269.362,
    "s": 46.535,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43849,
    "c": 0.14963,
    "h": 303.3
  },
  "luminance": 0.07486
}

Semantic roles & 50–950 ramp

primary

#643694

secondary

#94B670

accent

#D65295

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0D0711

muted

#7E7A80

Preview Lab

Preview with #643694

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

Preview Lab → · Contrast checker → · Palette generator →