#640D59#640D59

#640D59 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.3% C 0.144 H 334.3°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#640D59
RGB	rgb(100, 13, 89)
HSL	hsl(308, 77%, 22%)
HSV	hsv(308, 87%, 39%)
CMYK	cmyk(0%, 87%, 11%, 60.8%)
CIE-LAB	lab(22.72, 44.69, -22.83)
CIE-LCH	lch(22.72, 50.19, 332.94°)
OKLab	oklab(35.31% 0.1301 -0.0626)
OKLCH	oklch(35.31% 0.144 334.3)
XYZ	xyz(7.2027, 3.7191, 9.7878)
Luminance	0.0372 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640D59 #0D6418

analogous

#440D64 #640D59 #640D2E

triadic

#640D59 #59640D #0D5964

tetradic

#640D59 #64440D #0D6418 #0D2E64

square

#640D59 #64440D #0D6418 #0D2E64

split-complementary

#640D59 #2E640D #0D6444

monochromatic

#1B0418 #2E0629 #640D59 #9A1489 #D01BB9

Accessibility & contrast

On white

12.04

#640D59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#640D59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640D59

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640D59	#FFFFFF	#000000	##FFFFFF
##640D59	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2E5B

Deuteranopia (green-blind)

#2E3B57

Tritanopia (blue-blind)

#691734

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #640d59;
/* rgb */ color: rgb(100, 13, 89);
/* oklch */ color: oklch(35.3% 0.144 334.3);

Tailwind

colors: {
  custom: {
    50: '#935988',
    500: '#640d59',
    950: '#000000',
  },
}

SCSS

$custom: #640d59;
$custom-light: #935988;
$custom-dark: #000000;

JSON

{
  "hex": "#640d59",
  "rgb": {
    "r": 100,
    "g": 13,
    "b": 89
  },
  "hsl": {
    "h": 307.586,
    "s": 76.991,
    "l": 22.157
  },
  "oklch": {
    "l": 0.35307,
    "c": 0.14439,
    "h": 334.3
  },
  "luminance": 0.03718
}

Semantic roles & 50–950 ramp

primary

#640D59

secondary

#2F9E3D

accent

#F44C34

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #640D59

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

Preview Lab → · Contrast checker → · Palette generator →