#640F76#640F76

#640F76 is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.4% C 0.166 H 319.5°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#640F76
RGB	rgb(100, 15, 118)
HSL	hsl(290, 77%, 26%)
HSV	hsv(290, 87%, 46%)
CMYK	cmyk(15.3%, 87.3%, 0%, 53.7%)
CIE-LAB	lab(24.83, 49.33, -38.39)
CIE-LCH	lch(24.83, 62.51, 322.11°)
OKLab	oklab(37.41% 0.1263 -0.108)
OKLCH	oklch(37.41% 0.166 319.5)
XYZ	xyz(8.6959, 4.3594, 17.5194)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F76 #21760F

analogous

#300F76 #640F76 #760F54

triadic

#640F76 #76640F #0F7664

tetradic

#640F76 #76300F #21760F #0F5476

square

#640F76 #76300F #21760F #0F5476

split-complementary

#640F76 #54760F #0F7630

monochromatic

#17031B #360840 #640F76 #9216AC #C01DE2

Accessibility & contrast

On white

11.22

#640F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#640F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F76

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F76	#FFFFFF	#000000	##FFFFFF
##640F76	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003679

Deuteranopia (green-blind)

#193E74

Tritanopia (blue-blind)

#642845

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #640f76;
/* rgb */ color: rgb(100, 15, 118);
/* oklch */ color: oklch(37.4% 0.166 319.5);

Tailwind

colors: {
  custom: {
    50: '#945b9e',
    500: '#640f76',
    950: '#000000',
  },
}

SCSS

$custom: #640f76;
$custom-light: #945b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#640f76",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 118
  },
  "hsl": {
    "h": 289.515,
    "s": 77.444,
    "l": 26.078
  },
  "oklch": {
    "l": 0.37413,
    "c": 0.16614,
    "h": 319.5
  },
  "luminance": 0.04359
}

Semantic roles & 50–950 ramp

primary

#640F76

secondary

#49AD33

accent

#F43455

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0E040E

muted

#7E797E

Preview Lab

Preview with #640F76

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

Preview Lab → · Contrast checker → · Palette generator →