#643ADA#643ADA

#643ADA is a mid, highly saturated violet. Relative luminance 0.108; OKLCH L 50.1% C 0.226 H 287.1°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#643ADA
RGB	rgb(100, 58, 218)
HSL	hsl(256, 68%, 54%)
HSV	hsv(256, 73%, 85%)
CMYK	cmyk(54.1%, 73.4%, 0%, 14.5%)
CIE-LAB	lab(39.24, 56.41, -75.20)
CIE-LCH	lch(39.24, 94.00, 306.87°)
OKLab	oklab(50.12% 0.0668 -0.2163)
OKLCH	oklch(50.12% 0.226 287.1)
XYZ	xyz(19.4197, 10.7964, 67.3767)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643ADA #B0DA3A

analogous

#3A60DA #643ADA #B43ADA

triadic

#643ADA #DA643A #3ADA64

tetradic

#643ADA #DA3A60 #B0DA3A #3ADAB4

square

#643ADA #DA3A60 #B0DA3A #3ADAB4

split-complementary

#643ADA #DAB43A #60DA3A

monochromatic

#341881 #4922B5 #643ADA #8D6EE4 #B5A1ED

Accessibility & contrast

On white

6.65

#643ADA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#643ADA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643ADA

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643ADA	#FFFFFF	#000000	##FFFFFF
##643ADA	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DF

Deuteranopia (green-blind)

#0058D7

Tritanopia (blue-blind)

#326687

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #643ada;
/* rgb */ color: rgb(100, 58, 218);
/* oklch */ color: oklch(50.1% 0.226 287.1);

Tailwind

colors: {
  custom: {
    50: '#9c74e7',
    500: '#643ada',
    950: '#000000',
  },
}

SCSS

$custom: #643ada;
$custom-light: #9c74e7;
$custom-dark: #000000;

JSON

{
  "hex": "#643ada",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 218
  },
  "hsl": {
    "h": 255.75,
    "s": 68.376,
    "l": 54.118
  },
  "oklch": {
    "l": 0.50124,
    "c": 0.22639,
    "h": 287.1
  },
  "luminance": 0.10797
}

Semantic roles & 50–950 ramp

primary

#643ADA

secondary

#C8DA96

accent

#EB3DBD

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #643ADA

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

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