#643EE3#643EE3

#643EE3 is a mid, highly saturated violet. Relative luminance 0.117; OKLCH L 51.4% C 0.233 H 285.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#643EE3
RGB	rgb(100, 62, 227)
HSL	hsl(254, 75%, 57%)
HSV	hsv(254, 73%, 89%)
CMYK	cmyk(55.9%, 72.7%, 0%, 11%)
CIE-LAB	lab(40.73, 56.95, -77.88)
CIE-LCH	lch(40.73, 96.48, 306.18°)
OKLab	oklab(51.43% 0.0617 -0.2242)
OKLCH	oklch(51.43% 0.233 285.4)
XYZ	xyz(20.8391, 11.6994, 73.8183)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643EE3 #BDE33E

analogous

#3E6BE3 #643EE3 #B73EE3

triadic

#643EE3 #E3643E #3EE364

tetradic

#643EE3 #E33E6B #BDE33E #3EE3B7

square

#643EE3 #E33E6B #BDE33E #3EE3B7

split-complementary

#643EE3 #E3B73E #6BE33E

monochromatic

#321591 #441DC7 #643EE3 #8F73EB #BAA9F3

Accessibility & contrast

On white

6.29

#643EE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#643EE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643EE3

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643EE3	#FFFFFF	#000000	##FFFFFF
##643EE3	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E8

Deuteranopia (green-blind)

#005BE0

Tritanopia (blue-blind)

#266B8D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #643ee3;
/* rgb */ color: rgb(100, 62, 227);
/* oklch */ color: oklch(51.4% 0.233 285.4);

Tailwind

colors: {
  custom: {
    50: '#9d77ed',
    500: '#643ee3',
    950: '#000000',
  },
}

SCSS

$custom: #643ee3;
$custom-light: #9d77ed;
$custom-dark: #000000;

JSON

{
  "hex": "#643ee3",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 227
  },
  "hsl": {
    "h": 253.818,
    "s": 74.661,
    "l": 56.667
  },
  "oklch": {
    "l": 0.51426,
    "c": 0.23253,
    "h": 285.4
  },
  "luminance": 0.11701
}

Semantic roles & 50–950 ramp

primary

#643EE3

secondary

#D1E09D

accent

#F137C6

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #643EE3

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

Preview Lab → · Contrast checker → · Palette generator →