#642DAB#642DAB

#642DAB is a dark, vivid violet. Relative luminance 0.075; OKLCH L 44.5% C 0.188 H 298.2°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#642DAB
RGB	rgb(100, 45, 171)
HSL	hsl(266, 58%, 42%)
HSV	hsv(266, 74%, 67%)
CMYK	cmyk(41.5%, 73.7%, 0%, 32.9%)
CIE-LAB	lab(32.98, 50.05, -57.91)
CIE-LCH	lch(32.98, 76.54, 310.84°)
OKLab	oklab(44.46% 0.0887 -0.1655)
OKLCH	oklch(44.46% 0.188 298.2)
XYZ	xyz(13.5427, 7.5262, 39.2594)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642DAB #74AB2D

analogous

#2D35AB #642DAB #A32DAB

triadic

#642DAB #AB642D #2DAB64

tetradic

#642DAB #AB2D35 #74AB2D #2DABA3

square

#642DAB #AB2D35 #74AB2D #2DABA3

split-complementary

#642DAB #ABA32D #35AB2D

monochromatic

#2B144A #48207B #642DAB #8247CE #A377DB

Accessibility & contrast

On white

8.38

#642DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#642DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642DAB

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642DAB	#FFFFFF	#000000	##FFFFFF
##642DAB	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAF

Deuteranopia (green-blind)

#004CA9

Tritanopia (blue-blind)

#524D69

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #642dab;
/* rgb */ color: rgb(100, 45, 171);
/* oklch */ color: oklch(44.5% 0.188 298.2);

Tailwind

colors: {
  custom: {
    50: '#976bc5',
    500: '#642dab',
    950: '#000000',
  },
}

SCSS

$custom: #642dab;
$custom-light: #976bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#642dab",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 171
  },
  "hsl": {
    "h": 266.19,
    "s": 58.333,
    "l": 42.353
  },
  "oklch": {
    "l": 0.44461,
    "c": 0.18781,
    "h": 298.2
  },
  "luminance": 0.07526
}

Semantic roles & 50–950 ramp

primary

#642DAB

secondary

#9FC371

accent

#E2469E

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #642DAB

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

Preview Lab → · Contrast checker → · Palette generator →