#640F6A#640F6A

#640F6A is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.5% C 0.156 H 325.1°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#640F6A
RGB	rgb(100, 15, 106)
HSL	hsl(296, 75%, 24%)
HSV	hsv(296, 86%, 42%)
CMYK	cmyk(5.7%, 85.8%, 0%, 58.4%)
CIE-LAB	lab(23.97, 47.08, -32.02)
CIE-LCH	lch(23.97, 56.94, 325.77°)
OKLab	oklab(36.54% 0.128 -0.0893)
OKLCH	oklch(36.54% 0.156 325.1)
XYZ	xyz(8.0277, 4.0921, 13.9999)
Luminance	0.0409 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.40

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F6A #156A0F

analogous

#360F6A #640F6A #6A0F42

triadic

#640F6A #6A640F #0F6A64

tetradic

#640F6A #6A360F #156A0F #0F426A

square

#640F6A #6A360F #156A0F #0F426A

split-complementary

#640F6A #426A0F #0F6A36

monochromatic

#19041B #310734 #640F6A #9717A0 #C91ED5

Accessibility & contrast

On white

11.55

#640F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#640F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F6A

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F6A	#FFFFFF	#000000	##FFFFFF
##640F6A	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336C

Deuteranopia (green-blind)

#243C68

Tritanopia (blue-blind)

#66223E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #640f6a;
/* rgb */ color: rgb(100, 15, 106);
/* oklch */ color: oklch(36.5% 0.156 325.1);

Tailwind

colors: {
  custom: {
    50: '#945b95',
    500: '#640f6a',
    950: '#000000',
  },
}

SCSS

$custom: #640f6a;
$custom-light: #945b95;
$custom-dark: #000000;

JSON

{
  "hex": "#640f6a",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 106
  },
  "hsl": {
    "h": 296.044,
    "s": 75.207,
    "l": 23.725
  },
  "oklch": {
    "l": 0.36542,
    "c": 0.15609,
    "h": 325.1
  },
  "luminance": 0.04092
}

Semantic roles & 50–950 ramp

primary

#640F6A

secondary

#3AA232

accent

#F23642

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0E040D

muted

#7E797E

Preview Lab

Preview with #640F6A

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

Preview Lab → · Contrast checker → · Palette generator →