#642C9C#642C9C

#642C9C is a dark, vivid violet. Relative luminance 0.069; OKLCH L 43.1% C 0.173 H 302.5°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#642C9C
RGB	rgb(100, 44, 156)
HSL	hsl(270, 56%, 39%)
HSV	hsv(270, 72%, 61%)
CMYK	cmyk(35.9%, 71.8%, 0%, 38.8%)
CIE-LAB	lab(31.60, 46.72, -51.09)
CIE-LCH	lch(31.60, 69.23, 312.44°)
OKLab	oklab(43.11% 0.0927 -0.1455)
OKLCH	oklch(43.11% 0.173 302.5)
XYZ	xyz(12.1555, 6.9110, 32.1396)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642C9C #649C2C

analogous

#2C2C9C #642C9C #9C2C9C

triadic

#642C9C #9C642C #2C9C64

tetradic

#642C9C #9C2C2C #649C2C #2C9C9C

square

#642C9C #9C2C2C #649C2C #2C9C9C

split-complementary

#642C9C #9C9C2C #2C9C2C

monochromatic

#27113D #451F6C #642C9C #833DC8 #A16DD6

Accessibility & contrast

On white

8.82

#642C9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#642C9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642C9C

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642C9C	#FFFFFF	#000000	##FFFFFF
##642C9C	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499F

Deuteranopia (green-blind)

#004A9A

Tritanopia (blue-blind)

#584761

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #642c9c;
/* rgb */ color: rgb(100, 44, 156);
/* oklch */ color: oklch(43.1% 0.173 302.5);

Tailwind

colors: {
  custom: {
    50: '#956aba',
    500: '#642c9c',
    950: '#000000',
  },
}

SCSS

$custom: #642c9c;
$custom-light: #956aba;
$custom-dark: #000000;

JSON

{
  "hex": "#642c9c",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 156
  },
  "hsl": {
    "h": 270,
    "s": 56,
    "l": 39.216
  },
  "oklch": {
    "l": 0.43112,
    "c": 0.17251,
    "h": 302.5
  },
  "luminance": 0.06911
}

Semantic roles & 50–950 ramp

primary

#642C9C

secondary

#92BD67

accent

#DF4994

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642C9C

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

Preview Lab → · Contrast checker → · Palette generator →