#640F59#640F59

#640F59 is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.4% C 0.143 H 334.3°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#640F59
RGB	rgb(100, 15, 89)
HSL	hsl(308, 74%, 23%)
HSV	hsv(308, 85%, 39%)
CMYK	cmyk(0%, 85%, 11%, 60.8%)
CIE-LAB	lab(22.91, 44.15, -22.54)
CIE-LCH	lch(22.91, 49.57, 332.95°)
OKLab	oklab(35.44% 0.1285 -0.0618)
OKLCH	oklch(35.44% 0.143 334.3)
XYZ	xyz(7.2296, 3.7729, 9.7967)
Luminance	0.0377 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F59 #0F641A

analogous

#450F64 #640F59 #640F2E

triadic

#640F59 #59640F #0F5964

tetradic

#640F59 #64450F #0F641A #0F2E64

square

#640F59 #64450F #0F641A #0F2E64

split-complementary

#640F59 #2E640F #0F6445

monochromatic

#1B0418 #2F072A #640F59 #991788 #CE1FB8

Accessibility & contrast

On white

11.97

#640F59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#640F59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F59

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F59	#FFFFFF	#000000	##FFFFFF
##640F59	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D2F5B

Deuteranopia (green-blind)

#2F3B57

Tritanopia (blue-blind)

#691834

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #640f59;
/* rgb */ color: rgb(100, 15, 89);
/* oklch */ color: oklch(35.4% 0.143 334.3);

Tailwind

colors: {
  custom: {
    50: '#935a88',
    500: '#640f59',
    950: '#000000',
  },
}

SCSS

$custom: #640f59;
$custom-light: #935a88;
$custom-dark: #000000;

JSON

{
  "hex": "#640f59",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 89
  },
  "hsl": {
    "h": 307.765,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3544,
    "c": 0.1426,
    "h": 334.3
  },
  "luminance": 0.03772
}

Semantic roles & 50–950 ramp

primary

#640F59

secondary

#329D40

accent

#F14F37

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #640F59

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

Preview Lab → · Contrast checker → · Palette generator →