#642FA3#642FA3

#642FA3 is a dark, vivid violet. Relative luminance 0.074; OKLCH L 44.0% C 0.177 H 300.0°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#642FA3
RGB	rgb(100, 47, 163)
HSL	hsl(267, 55%, 41%)
HSV	hsv(267, 71%, 64%)
CMYK	cmyk(38.7%, 71.2%, 0%, 36.1%)
CIE-LAB	lab(32.67, 47.04, -53.60)
CIE-LCH	lch(32.67, 71.31, 311.27°)
OKLab	oklab(44.04% 0.0884 -0.1529)
OKLCH	oklch(44.04% 0.177 300)
XYZ	xyz(12.8813, 7.3866, 35.3903)
Luminance	0.0739 (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

#642FA3 #6EA32F

analogous

#2F34A3 #642FA3 #9E2FA3

triadic

#642FA3 #A3642F #2FA364

tetradic

#642FA3 #A32F34 #6EA32F #2FA39E

square

#642FA3 #A32F34 #6EA32F #2FA39E

split-complementary

#642FA3 #A39E2F #34A32F

monochromatic

#2A1444 #472173 #642FA3 #8246CA #A275D7

Accessibility & contrast

On white

8.48

#642FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#642FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642FA3

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642FA3	#FFFFFF	#000000	##FFFFFF
##642FA3	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA6

Deuteranopia (green-blind)

#004CA1

Tritanopia (blue-blind)

#564B66

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #642fa3;
/* rgb */ color: rgb(100, 47, 163);
/* oklch */ color: oklch(44.0% 0.177 300.0);

Tailwind

colors: {
  custom: {
    50: '#966cbf',
    500: '#642fa3',
    950: '#000000',
  },
}

SCSS

$custom: #642fa3;
$custom-light: #966cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#642fa3",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 163
  },
  "hsl": {
    "h": 267.414,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44043,
    "c": 0.17656,
    "h": 300
  },
  "luminance": 0.07387
}

Semantic roles & 50–950 ramp

primary

#642FA3

secondary

#9ABF6F

accent

#DF499A

background

#F9F6FB

surface

#F2ECF7

border

#CCC7D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642FA3

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

Preview Lab → · Contrast checker → · Palette generator →