#640F57#640F57

#640F57 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.3% C 0.141 H 335.5°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#640F57
RGB	rgb(100, 15, 87)
HSL	hsl(309, 74%, 23%)
HSV	hsv(309, 85%, 39%)
CMYK	cmyk(0%, 85%, 13%, 60.8%)
CIE-LAB	lab(22.79, 43.83, -21.39)
CIE-LCH	lch(22.79, 48.77, 333.99°)
OKLab	oklab(35.32% 0.1284 -0.0585)
OKLCH	oklch(35.32% 0.141 335.5)
XYZ	xyz(7.1468, 3.7398, 9.3604)
Luminance	0.0374 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F57 #0F641C

analogous

#460F64 #640F57 #640F2D

triadic

#640F57 #57640F #0F5764

tetradic

#640F57 #64460F #0F641C #0F2D64

square

#640F57 #64460F #0F641C #0F2D64

split-complementary

#640F57 #2D640F #0F6446

monochromatic

#1B0417 #2F0729 #640F57 #991785 #CE1FB4

Accessibility & contrast

On white

12.02

#640F57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#640F57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F57

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F57	#FFFFFF	#000000	##FFFFFF
##640F57	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F2E59

Deuteranopia (green-blind)

#303B55

Tritanopia (blue-blind)

#691733

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #640f57;
/* rgb */ color: rgb(100, 15, 87);
/* oklch */ color: oklch(35.3% 0.141 335.5);

Tailwind

colors: {
  custom: {
    50: '#935a86',
    500: '#640f57',
    950: '#000000',
  },
}

SCSS

$custom: #640f57;
$custom-light: #935a86;
$custom-dark: #000000;

JSON

{
  "hex": "#640f57",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 87
  },
  "hsl": {
    "h": 309.176,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35321,
    "c": 0.14109,
    "h": 335.5
  },
  "luminance": 0.03739
}

Semantic roles & 50–950 ramp

primary

#640F57

secondary

#329D42

accent

#F15437

background

#F9F5F8

surface

#F2E9EF

border

#CCC5CA

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #640F57

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

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