#642D90#642D90

#642D90 is a dark, vivid violet. Relative luminance 0.066; OKLCH L 42.3% C 0.158 H 306.2°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#642D90
RGB	rgb(100, 45, 144)
HSL	hsl(273, 52%, 37%)
HSV	hsv(273, 69%, 56%)
CMYK	cmyk(30.6%, 68.7%, 0%, 43.5%)
CIE-LAB	lab(30.88, 43.27, -44.92)
CIE-LCH	lch(30.88, 62.37, 313.92°)
OKLab	oklab(42.31% 0.0933 -0.1274)
OKLCH	oklch(42.31% 0.158 306.2)
XYZ	xyz(11.2269, 6.5998, 27.0626)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D90 #59902D

analogous

#322D90 #642D90 #902D8B

triadic

#642D90 #90642D #2D9064

tetradic

#642D90 #90322D #59902D #2D8B90

square

#642D90 #90322D #59902D #2D8B90

split-complementary

#642D90 #8B902D #2D9032

monochromatic

#231033 #441E61 #642D90 #843CBF #A168D0

Accessibility & contrast

On white

9.05

#642D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#642D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D90

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D90	#FFFFFF	#000000	##FFFFFF
##642D90	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004793

Deuteranopia (green-blind)

#11498E

Tritanopia (blue-blind)

#5C435B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #642d90;
/* rgb */ color: rgb(100, 45, 144);
/* oklch */ color: oklch(42.3% 0.158 306.2);

Tailwind

colors: {
  custom: {
    50: '#946ab1',
    500: '#642d90',
    950: '#000000',
  },
}

SCSS

$custom: #642d90;
$custom-light: #946ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#642d90",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 144
  },
  "hsl": {
    "h": 273.333,
    "s": 52.381,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4231,
    "c": 0.1579,
    "h": 306.2
  },
  "luminance": 0.066
}

Semantic roles & 50–950 ramp

primary

#642D90

secondary

#88B662

accent

#DC4C8C

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642D90

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

Preview Lab → · Contrast checker → · Palette generator →