#642EA9#642EA9

#642EA9 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 44.4% C 0.184 H 298.6°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#642EA9
RGB	rgb(100, 46, 169)
HSL	hsl(266, 57%, 42%)
HSV	hsv(266, 73%, 66%)
CMYK	cmyk(40.8%, 72.8%, 0%, 33.7%)
CIE-LAB	lab(32.98, 49.06, -56.70)
CIE-LCH	lch(32.98, 74.98, 310.87°)
OKLab	oklab(44.41% 0.0882 -0.162)
OKLCH	oklch(44.41% 0.184 298.6)
XYZ	xyz(13.3921, 7.5277, 38.2758)
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

#642EA9 #73A92E

analogous

#2E36A9 #642EA9 #A12EA9

triadic

#642EA9 #A9642E #2EA964

tetradic

#642EA9 #A92E36 #73A92E #2EA9A1

square

#642EA9 #A92E36 #73A92E #2EA9A1

split-complementary

#642EA9 #A9A12E #36A92E

monochromatic

#2B1449 #482179 #642EA9 #8247CD #A377DA

Accessibility & contrast

On white

8.38

#642EA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#642EA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642EA9

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642EA9	#FFFFFF	#000000	##FFFFFF
##642EA9	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)

#004EAD

Deuteranopia (green-blind)

#004CA7

Tritanopia (blue-blind)

#534D69

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #642ea9;
/* rgb */ color: rgb(100, 46, 169);
/* oklch */ color: oklch(44.4% 0.184 298.6);

Tailwind

colors: {
  custom: {
    50: '#966cc3',
    500: '#642ea9',
    950: '#000000',
  },
}

SCSS

$custom: #642ea9;
$custom-light: #966cc3;
$custom-dark: #000000;

JSON

{
  "hex": "#642ea9",
  "rgb": {
    "r": 100,
    "g": 46,
    "b": 169
  },
  "hsl": {
    "h": 266.341,
    "s": 57.209,
    "l": 42.157
  },
  "oklch": {
    "l": 0.44412,
    "c": 0.18445,
    "h": 298.6
  },
  "luminance": 0.07528
}

Semantic roles & 50–950 ramp

primary

#642EA9

secondary

#9EC271

accent

#E0479D

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #642EA9

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

Preview Lab → · Contrast checker → · Palette generator →