#640E57#640E57

#640E57 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.3% C 0.142 H 335.5°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#640E57
RGB	rgb(100, 14, 87)
HSL	hsl(309, 75%, 22%)
HSV	hsv(309, 86%, 39%)
CMYK	cmyk(0%, 86%, 13%, 60.8%)
CIE-LAB	lab(22.70, 44.11, -21.54)
CIE-LCH	lch(22.70, 49.09, 333.98°)
OKLab	oklab(35.25% 0.1292 -0.0589)
OKLCH	oklch(35.25% 0.142 335.5)
XYZ	xyz(7.1330, 3.7122, 9.3558)
Luminance	0.0371 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640E57 #0E641B

analogous

#460E64 #640E57 #640E2C

triadic

#640E57 #57640E #0E5764

tetradic

#640E57 #64460E #0E641B #0E2C64

square

#640E57 #64460E #0E641B #0E2C64

split-complementary

#640E57 #2C640E #0E6446

monochromatic

#1B0417 #2E0628 #640E57 #9A1686 #CF1DB4

Accessibility & contrast

On white

12.05

#640E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#640E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640E57

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640E57	#FFFFFF	#000000	##FFFFFF
##640E57	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2E59

Deuteranopia (green-blind)

#2F3B55

Tritanopia (blue-blind)

#691633

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #640e57;
/* rgb */ color: rgb(100, 14, 87);
/* oklch */ color: oklch(35.3% 0.142 335.5);

Tailwind

colors: {
  custom: {
    50: '#935986',
    500: '#640e57',
    950: '#000000',
  },
}

SCSS

$custom: #640e57;
$custom-light: #935986;
$custom-dark: #000000;

JSON

{
  "hex": "#640e57",
  "rgb": {
    "r": 100,
    "g": 14,
    "b": 87
  },
  "hsl": {
    "h": 309.07,
    "s": 75.439,
    "l": 22.353
  },
  "oklch": {
    "l": 0.35253,
    "c": 0.14201,
    "h": 335.5
  },
  "luminance": 0.03712
}

Semantic roles & 50–950 ramp

primary

#640E57

secondary

#319D41

accent

#F25236

background

#F9F5F8

surface

#F2E9EF

border

#CCC5CA

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #640E57

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

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