#640D5A#640D5A

#640D5A is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.4% C 0.145 H 333.7°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#640D5A
RGB	rgb(100, 13, 90)
HSL	hsl(307, 77%, 22%)
HSV	hsv(307, 87%, 39%)
CMYK	cmyk(0%, 87%, 10%, 60.8%)
CIE-LAB	lab(22.78, 44.85, -23.41)
CIE-LCH	lch(22.78, 50.59, 332.44°)
OKLab	oklab(35.37% 0.1301 -0.0643)
OKLCH	oklch(35.37% 0.145 333.7)
XYZ	xyz(7.2450, 3.7360, 10.0104)
Luminance	0.0374 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640D5A #0D6417

analogous

#430D64 #640D5A #640D2E

triadic

#640D5A #5A640D #0D5A64

tetradic

#640D5A #64430D #0D6417 #0D2E64

square

#640D5A #64430D #0D6417 #0D2E64

split-complementary

#640D5A #2E640D #0D6443

monochromatic

#1B0418 #2E0629 #640D5A #9A148B #D01BBB

Accessibility & contrast

On white

12.02

#640D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#640D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640D5A

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640D5A	#FFFFFF	#000000	##FFFFFF
##640D5A	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)

#092F5C

Deuteranopia (green-blind)

#2E3B58

Tritanopia (blue-blind)

#691734

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #640d5a;
/* rgb */ color: rgb(100, 13, 90);
/* oklch */ color: oklch(35.4% 0.145 333.7);

Tailwind

colors: {
  custom: {
    50: '#935989',
    500: '#640d5a',
    950: '#000000',
  },
}

SCSS

$custom: #640d5a;
$custom-light: #935989;
$custom-dark: #000000;

JSON

{
  "hex": "#640d5a",
  "rgb": {
    "r": 100,
    "g": 13,
    "b": 90
  },
  "hsl": {
    "h": 306.897,
    "s": 76.991,
    "l": 22.157
  },
  "oklch": {
    "l": 0.35368,
    "c": 0.14514,
    "h": 333.7
  },
  "luminance": 0.03735
}

Semantic roles & 50–950 ramp

primary

#640D5A

secondary

#2F9E3C

accent

#F44A34

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #640D5A

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

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