#642FA7#642FA7

#642FA7 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 44.4% C 0.181 H 298.9°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#642FA7
RGB	rgb(100, 47, 167)
HSL	hsl(267, 56%, 42%)
HSV	hsv(267, 72%, 65%)
CMYK	cmyk(40.1%, 71.9%, 0%, 34.5%)
CIE-LAB	lab(32.99, 48.07, -55.49)
CIE-LCH	lch(32.99, 73.41, 310.90°)
OKLab	oklab(44.37% 0.0876 -0.1584)
OKLCH	oklch(44.37% 0.181 298.9)
XYZ	xyz(13.2453, 7.5322, 37.3077)
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

#642FA7 #72A72F

analogous

#2F36A7 #642FA7 #A02FA7

triadic

#642FA7 #A7642F #2FA764

tetradic

#642FA7 #A72F36 #72A72F #2FA7A0

square

#642FA7 #A72F36 #72A72F #2FA7A0

split-complementary

#642FA7 #A7A02F #36A72F

monochromatic

#2B1447 #472277 #642FA7 #8248CB #A378D9

Accessibility & contrast

On white

8.38

#642FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#642FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642FA7

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642FA7	#FFFFFF	#000000	##FFFFFF
##642FA7	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)

#004EAB

Deuteranopia (green-blind)

#004CA5

Tritanopia (blue-blind)

#544D68

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #642fa7;
/* rgb */ color: rgb(100, 47, 167);
/* oklch */ color: oklch(44.4% 0.181 298.9);

Tailwind

colors: {
  custom: {
    50: '#966cc2',
    500: '#642fa7',
    950: '#000000',
  },
}

SCSS

$custom: #642fa7;
$custom-light: #966cc2;
$custom-dark: #000000;

JSON

{
  "hex": "#642fa7",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 167
  },
  "hsl": {
    "h": 266.5,
    "s": 56.075,
    "l": 41.961
  },
  "oklch": {
    "l": 0.44368,
    "c": 0.18105,
    "h": 298.9
  },
  "luminance": 0.07532
}

Semantic roles & 50–950 ramp

primary

#642FA7

secondary

#9EC171

accent

#DF489D

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642FA7

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

Preview Lab → · Contrast checker → · Palette generator →