#642FA4#642FA4

#642FA4 is a dark, vivid violet. Relative luminance 0.074; OKLCH L 44.1% C 0.178 H 299.8°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#642FA4
RGB	rgb(100, 47, 164)
HSL	hsl(267, 55%, 41%)
HSV	hsv(267, 71%, 64%)
CMYK	cmyk(39%, 71.3%, 0%, 35.7%)
CIE-LAB	lab(32.75, 47.29, -54.07)
CIE-LCH	lch(32.75, 71.84, 311.18°)
OKLab	oklab(44.12% 0.0882 -0.1543)
OKLCH	oklch(44.12% 0.178 299.8)
XYZ	xyz(12.9712, 7.4226, 35.8641)
Luminance	0.0742 (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

#642FA4 #6FA42F

analogous

#2F35A4 #642FA4 #9F2FA4

triadic

#642FA4 #A4642F #2FA464

tetradic

#642FA4 #A42F35 #6FA42F #2FA49F

square

#642FA4 #A42F35 #6FA42F #2FA49F

split-complementary

#642FA4 #A49F2F #35A42F

monochromatic

#2A1445 #472174 #642FA4 #8246CA #A276D8

Accessibility & contrast

On white

8.45

#642FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#642FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642FA4

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642FA4	#FFFFFF	#000000	##FFFFFF
##642FA4	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA7

Deuteranopia (green-blind)

#004CA2

Tritanopia (blue-blind)

#554B66

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #642fa4;
/* rgb */ color: rgb(100, 47, 164);
/* oklch */ color: oklch(44.1% 0.178 299.8);

Tailwind

colors: {
  custom: {
    50: '#966cc0',
    500: '#642fa4',
    950: '#000000',
  },
}

SCSS

$custom: #642fa4;
$custom-light: #966cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#642fa4",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 164
  },
  "hsl": {
    "h": 267.179,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.44124,
    "c": 0.17768,
    "h": 299.8
  },
  "luminance": 0.07423
}

Semantic roles & 50–950 ramp

primary

#642FA4

secondary

#9BC06F

accent

#DF499B

background

#F9F6FB

surface

#F2ECF7

border

#CCC7D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642FA4

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

Preview Lab → · Contrast checker → · Palette generator →