#642D8E#642D8E

#642D8E is a dark, vivid violet. Relative luminance 0.065; OKLCH L 42.2% C 0.156 H 306.9°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#642D8E
RGB	rgb(100, 45, 142)
HSL	hsl(274, 52%, 37%)
HSV	hsv(274, 68%, 56%)
CMYK	cmyk(29.6%, 68.3%, 0%, 44.3%)
CIE-LAB	lab(30.73, 42.78, -43.92)
CIE-LCH	lch(30.73, 61.31, 314.24°)
OKLab	oklab(42.16% 0.0935 -0.1244)
OKLCH	oklch(42.16% 0.156 306.9)
XYZ	xyz(11.0754, 6.5392, 26.2647)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D8E #578E2D

analogous

#342D8E #642D8E #8E2D88

triadic

#642D8E #8E642D #2D8E64

tetradic

#642D8E #8E342D #578E2D #2D888E

square

#642D8E #8E342D #578E2D #2D888E

split-complementary

#642D8E #888E2D #2D8E34

monochromatic

#231031 #431E60 #642D8E #853CBC #A267CF

Accessibility & contrast

On white

9.10

#642D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#642D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D8E

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D8E	#FFFFFF	#000000	##FFFFFF
##642D8E	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004691

Deuteranopia (green-blind)

#15498C

Tritanopia (blue-blind)

#5D4259

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #642d8e;
/* rgb */ color: rgb(100, 45, 142);
/* oklch */ color: oklch(42.2% 0.156 306.9);

Tailwind

colors: {
  custom: {
    50: '#946ab0',
    500: '#642d8e',
    950: '#000000',
  },
}

SCSS

$custom: #642d8e;
$custom-light: #946ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#642d8e",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 142
  },
  "hsl": {
    "h": 274.021,
    "s": 51.872,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42161,
    "c": 0.15566,
    "h": 306.9
  },
  "luminance": 0.06539
}

Semantic roles & 50–950 ramp

primary

#642D8E

secondary

#86B561

accent

#DB4C8A

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0710

muted

#7E7A7F

Preview Lab

Preview with #642D8E

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

Preview Lab → · Contrast checker → · Palette generator →