#640F56#640F56

#640F56 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.3% C 0.140 H 336.1°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#640F56
RGB	rgb(100, 15, 86)
HSL	hsl(310, 74%, 23%)
HSV	hsv(310, 85%, 39%)
CMYK	cmyk(0%, 85%, 14%, 60.8%)
CIE-LAB	lab(22.74, 43.67, -20.81)
CIE-LCH	lch(22.74, 48.38, 334.53°)
OKLab	oklab(35.26% 0.1283 -0.0568)
OKLCH	oklch(35.26% 0.14 336.1)
XYZ	xyz(7.1062, 3.7235, 9.1468)
Luminance	0.0372 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F56 #0F641D

analogous

#470F64 #640F56 #640F2C

triadic

#640F56 #56640F #0F5664

tetradic

#640F56 #64470F #0F641D #0F2C64

square

#640F56 #64470F #0F641D #0F2C64

split-complementary

#640F56 #2C640F #0F6447

monochromatic

#1B0417 #2F0728 #640F56 #991784 #CE1FB2

Accessibility & contrast

On white

12.04

#640F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#640F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F56

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F56	#FFFFFF	#000000	##FFFFFF
##640F56	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)

#102E58

Deuteranopia (green-blind)

#303B54

Tritanopia (blue-blind)

#6A1632

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #640f56;
/* rgb */ color: rgb(100, 15, 86);
/* oklch */ color: oklch(35.3% 0.140 336.1);

Tailwind

colors: {
  custom: {
    50: '#935a86',
    500: '#640f56',
    950: '#000000',
  },
}

SCSS

$custom: #640f56;
$custom-light: #935a86;
$custom-dark: #000000;

JSON

{
  "hex": "#640f56",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 86
  },
  "hsl": {
    "h": 309.882,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35263,
    "c": 0.14034,
    "h": 336.1
  },
  "luminance": 0.03723
}

Semantic roles & 50–950 ramp

primary

#640F56

secondary

#329D44

accent

#F15637

background

#F9F5F8

surface

#F2E9EF

border

#CCC5CA

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #640F56

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

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