#643EFC#643EFC

#643EFC is a mid, highly saturated violet. Relative luminance 0.132; OKLCH L 53.7% C 0.260 H 282.3°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#643EFC
RGB	rgb(100, 62, 252)
HSL	hsl(252, 97%, 62%)
HSV	hsv(252, 75%, 99%)
CMYK	cmyk(60.3%, 75.4%, 0%, 1.2%)
CIE-LAB	lab(43.03, 63.94, -88.20)
CIE-LCH	lch(43.03, 108.93, 305.94°)
OKLab	oklab(53.74% 0.0557 -0.2544)
OKLCH	oklch(53.74% 0.26 282.3)
XYZ	xyz(24.5434, 13.1811, 93.3275)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643EFC #D6FC3E

analogous

#3E77FC #643EFC #C33EFC

triadic

#643EFC #FC643E #3EFC64

tetradic

#643EFC #FC3E77 #D6FC3E #3EFCC3

square

#643EFC #FC3E77 #D6FC3E #3EFCC3

split-complementary

#643EFC #FCC33E #77FC3E

monochromatic

#2803BD #3504F9 #643EFC #947AFD #C5B7FE

Accessibility & contrast

On white

5.77

#643EFC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#643EFC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643EFC

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643EFC	#FFFFFF	#000000	##FFFFFF
##643EFC	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CFF

Deuteranopia (green-blind)

#005FF9

Tritanopia (blue-blind)

#00759B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #643efc;
/* rgb */ color: rgb(100, 62, 252);
/* oklch */ color: oklch(53.7% 0.260 282.3);

Tailwind

colors: {
  custom: {
    50: '#a178ff',
    500: '#643efc',
    950: '#000000',
  },
}

SCSS

$custom: #643efc;
$custom-light: #a178ff;
$custom-dark: #000000;

JSON

{
  "hex": "#643efc",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 252
  },
  "hsl": {
    "h": 252,
    "s": 96.939,
    "l": 61.569
  },
  "oklch": {
    "l": 0.53738,
    "c": 0.26038,
    "h": 282.3
  },
  "luminance": 0.13183
}

Semantic roles & 50–950 ramp

primary

#643EFC

secondary

#E0EEA8

accent

#E600B8

background

#FAF7FF

surface

#F4EEFF

border

#CEC9D7

text

#110918

muted

#807B86

Preview Lab

Preview with #643EFC

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

Preview Lab → · Contrast checker → · Palette generator →