#643BDA#643BDA

#643BDA is a mid, highly saturated violet. Relative luminance 0.109; OKLCH L 50.2% C 0.225 H 287.0°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#643BDA
RGB	rgb(100, 59, 218)
HSL	hsl(255, 68%, 54%)
HSV	hsv(255, 73%, 85%)
CMYK	cmyk(54.1%, 72.9%, 0%, 14.5%)
CIE-LAB	lab(39.41, 55.92, -74.91)
CIE-LCH	lch(39.41, 93.48, 306.74°)
OKLab	oklab(50.25% 0.066 -0.2155)
OKLCH	oklch(50.25% 0.225 287)
XYZ	xyz(19.4706, 10.8982, 67.3937)
Luminance	0.1090 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643BDA #B1DA3B

analogous

#3B62DA #643BDA #B43BDA

triadic

#643BDA #DA643B #3BDA64

tetradic

#643BDA #DA3B62 #B1DA3B #3BDAB4

square

#643BDA #DA3B62 #B1DA3B #3BDAB4

split-complementary

#643BDA #DAB43B #62DA3B

monochromatic

#341982 #4822B6 #643BDA #8D6EE4 #B5A2ED

Accessibility & contrast

On white

6.60

#643BDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#643BDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643BDA

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BDA	#FFFFFF	#000000	##FFFFFF
##643BDA	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DF

Deuteranopia (green-blind)

#0058D7

Tritanopia (blue-blind)

#326687

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #643bda;
/* rgb */ color: rgb(100, 59, 218);
/* oklch */ color: oklch(50.2% 0.225 287.0);

Tailwind

colors: {
  custom: {
    50: '#9c75e7',
    500: '#643bda',
    950: '#000000',
  },
}

SCSS

$custom: #643bda;
$custom-light: #9c75e7;
$custom-dark: #000000;

JSON

{
  "hex": "#643bda",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 218
  },
  "hsl": {
    "h": 255.472,
    "s": 68.24,
    "l": 54.314
  },
  "oklch": {
    "l": 0.50246,
    "c": 0.22538,
    "h": 287
  },
  "luminance": 0.10899
}

Semantic roles & 50–950 ramp

primary

#643BDA

secondary

#C9DA97

accent

#EB3DBE

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #643BDA

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

Preview Lab → · Contrast checker → · Palette generator →