#642C8B#642C8B

#642C8B is a dark, vivid violet. Relative luminance 0.064; OKLCH L 41.8% C 0.154 H 308.2°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#642C8B
RGB	rgb(100, 44, 139)
HSL	hsl(275, 52%, 36%)
HSV	hsv(275, 68%, 55%)
CMYK	cmyk(28.1%, 68.3%, 0%, 45.5%)
CIE-LAB	lab(30.34, 42.55, -42.71)
CIE-LCH	lch(30.34, 60.29, 314.90°)
OKLab	oklab(41.81% 0.095 -0.1208)
OKLCH	oklch(41.81% 0.154 308.2)
XYZ	xyz(10.8155, 6.3749, 25.0818)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642C8B #538B2C

analogous

#342C8B #642C8B #8B2C82

triadic

#642C8B #8B642C #2C8B64

tetradic

#642C8B #8B342C #538B2C #2C828B

square

#642C8B #8B342C #538B2C #2C828B

split-complementary

#642C8B #828B2C #2C8B34

monochromatic

#210F2E #431D5D #642C8B #853BB9 #A264CE

Accessibility & contrast

On white

9.23

#642C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#642C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642C8B

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642C8B	#FFFFFF	#000000	##FFFFFF
##642C8B	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458E

Deuteranopia (green-blind)

#194889

Tritanopia (blue-blind)

#5E4058

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #642c8b;
/* rgb */ color: rgb(100, 44, 139);
/* oklch */ color: oklch(41.8% 0.154 308.2);

Tailwind

colors: {
  custom: {
    50: '#9469ad',
    500: '#642c8b',
    950: '#000000',
  },
}

SCSS

$custom: #642c8b;
$custom-light: #9469ad;
$custom-dark: #000000;

JSON

{
  "hex": "#642c8b",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 139
  },
  "hsl": {
    "h": 275.368,
    "s": 51.913,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41809,
    "c": 0.15373,
    "h": 308.2
  },
  "luminance": 0.06375
}

Semantic roles & 50–950 ramp

primary

#642C8B

secondary

#82B45F

accent

#DB4C87

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #642C8B

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

Preview Lab → · Contrast checker → · Palette generator →