#642F8E#642F8E

#642F8E is a dark, vivid violet. Relative luminance 0.067; OKLCH L 42.4% C 0.153 H 306.6°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#642F8E
RGB	rgb(100, 47, 142)
HSL	hsl(273, 50%, 37%)
HSV	hsv(273, 67%, 56%)
CMYK	cmyk(29.6%, 66.9%, 0%, 44.3%)
CIE-LAB	lab(31.10, 41.76, -43.33)
CIE-LCH	lch(31.10, 60.18, 313.94°)
OKLab	oklab(42.43% 0.0911 -0.1227)
OKLCH	oklch(42.43% 0.153 306.6)
XYZ	xyz(11.1535, 6.6955, 26.2907)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F8E #598E2F

analogous

#352F8E #642F8E #8E2F89

triadic

#642F8E #8E642F #2F8E64

tetradic

#642F8E #8E352F #598E2F #2F898E

square

#642F8E #8E352F #598E2F #2F898E

split-complementary

#642F8E #898E2F #2F8E35

monochromatic

#231132 #442060 #642F8E #843EBC #A16ACE

Accessibility & contrast

On white

8.98

#642F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#642F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F8E

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F8E	#FFFFFF	#000000	##FFFFFF
##642F8E	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004791

Deuteranopia (green-blind)

#194A8C

Tritanopia (blue-blind)

#5D435A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #642f8e;
/* rgb */ color: rgb(100, 47, 142);
/* oklch */ color: oklch(42.4% 0.153 306.6);

Tailwind

colors: {
  custom: {
    50: '#946bb0',
    500: '#642f8e',
    950: '#000000',
  },
}

SCSS

$custom: #642f8e;
$custom-light: #946bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#642f8e",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 142
  },
  "hsl": {
    "h": 273.474,
    "s": 50.265,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42426,
    "c": 0.15284,
    "h": 306.6
  },
  "luminance": 0.06695
}

Semantic roles & 50–950 ramp

primary

#642F8E

secondary

#88B564

accent

#DA4E8C

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #642F8E

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

Preview Lab → · Contrast checker → · Palette generator →