#642A9C#642A9C

#642A9C is a dark, vivid violet. Relative luminance 0.068; OKLCH L 42.9% C 0.175 H 302.8°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#642A9C
RGB	rgb(100, 42, 156)
HSL	hsl(271, 58%, 39%)
HSV	hsv(271, 73%, 61%)
CMYK	cmyk(35.9%, 73.1%, 0%, 38.8%)
CIE-LAB	lab(31.27, 47.67, -51.64)
CIE-LCH	lch(31.27, 70.28, 312.71°)
OKLab	oklab(42.87% 0.0948 -0.1471)
OKLCH	oklch(42.87% 0.175 302.8)
XYZ	xyz(12.0828, 6.7655, 32.1154)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A9C #629C2A

analogous

#2B2A9C #642A9C #9C2A9B

triadic

#642A9C #9C642A #2A9C64

tetradic

#642A9C #9C2B2A #629C2A #2A9B9C

square

#642A9C #9C2B2A #629C2A #2A9B9C

split-complementary

#642A9C #9B9C2A #2A9C2B

monochromatic

#26103C #451D6C #642A9C #8339CA #A16AD7

Accessibility & contrast

On white

8.92

#642A9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#642A9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A9C

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A9C	#FFFFFF	#000000	##FFFFFF
##642A9C	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499F

Deuteranopia (green-blind)

#00499A

Tritanopia (blue-blind)

#594660

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #642a9c;
/* rgb */ color: rgb(100, 42, 156);
/* oklch */ color: oklch(42.9% 0.175 302.8);

Tailwind

colors: {
  custom: {
    50: '#9569ba',
    500: '#642a9c',
    950: '#000000',
  },
}

SCSS

$custom: #642a9c;
$custom-light: #9569ba;
$custom-dark: #000000;

JSON

{
  "hex": "#642a9c",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 156
  },
  "hsl": {
    "h": 270.526,
    "s": 57.576,
    "l": 38.824
  },
  "oklch": {
    "l": 0.42873,
    "c": 0.17496,
    "h": 302.8
  },
  "luminance": 0.06766
}

Semantic roles & 50–950 ramp

primary

#642A9C

secondary

#90BD65

accent

#E14793

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642A9C

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

Preview Lab → · Contrast checker → · Palette generator →