#642F7C#642F7C

#642F7C is a dark, vivid purple. Relative luminance 0.062; OKLCH L 41.2% C 0.132 H 313.9°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#642F7C
RGB	rgb(100, 47, 124)
HSL	hsl(281, 45%, 34%)
HSV	hsv(281, 62%, 49%)
CMYK	cmyk(19.4%, 62.1%, 0%, 51.4%)
CIE-LAB	lab(29.91, 37.46, -34.04)
CIE-LCH	lch(29.91, 50.62, 317.73°)
OKLab	oklab(41.18% 0.0918 -0.0955)
OKLCH	oklch(41.18% 0.132 313.9)
XYZ	xyz(9.9095, 6.1979, 19.7392)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F7C #477C2F

analogous

#3D2F7C #642F7C #7C2F6D

triadic

#642F7C #7C642F #2F7C64

tetradic

#642F7C #7C3D2F #477C2F #2F6D7C

square

#642F7C #7C3D2F #477C2F #2F6D7C

split-complementary

#642F7C #6D7C2F #2F7C3D

monochromatic

#1C0D23 #401E50 #642F7C #8840A8 #A562C3

Accessibility & contrast

On white

9.38

#642F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#642F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F7C

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F7C	#FFFFFF	#000000	##FFFFFF
##642F7C	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16437E

Deuteranopia (green-blind)

#2C487A

Tritanopia (blue-blind)

#623D51

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #642f7c;
/* rgb */ color: rgb(100, 47, 124);
/* oklch */ color: oklch(41.2% 0.132 313.9);

Tailwind

colors: {
  custom: {
    50: '#936ba2',
    500: '#642f7c',
    950: '#000000',
  },
}

SCSS

$custom: #642f7c;
$custom-light: #936ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#642f7c",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 124
  },
  "hsl": {
    "h": 281.299,
    "s": 45.029,
    "l": 33.529
  },
  "oklch": {
    "l": 0.41176,
    "c": 0.13244,
    "h": 313.9
  },
  "luminance": 0.06198
}

Semantic roles & 50–950 ramp

primary

#642F7C

secondary

#75AA5C

accent

#D5537B

background

#F9F6FA

surface

#F1EBF3

border

#CBC6CD

text

#0D070F

muted

#7E7A7F

Preview Lab

Preview with #642F7C

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

Preview Lab → · Contrast checker → · Palette generator →