#640F5A#640F5A

#640F5A is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.5% C 0.143 H 333.7°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#640F5A
RGB	rgb(100, 15, 90)
HSL	hsl(307, 74%, 23%)
HSV	hsv(307, 85%, 39%)
CMYK	cmyk(0%, 85%, 10%, 60.8%)
CIE-LAB	lab(22.96, 44.31, -23.11)
CIE-LCH	lch(22.96, 49.98, 332.45°)
OKLab	oklab(35.5% 0.1286 -0.0635)
OKLCH	oklch(35.5% 0.143 333.7)
XYZ	xyz(7.2719, 3.7898, 10.0194)
Luminance	0.0379 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F5A #0F6419

analogous

#440F64 #640F5A #640F2F

triadic

#640F5A #5A640F #0F5A64

tetradic

#640F5A #64440F #0F6419 #0F2F64

square

#640F5A #64440F #0F6419 #0F2F64

split-complementary

#640F5A #2F640F #0F6444

monochromatic

#1B0418 #2F072A #640F5A #99178A #CE1FBA

Accessibility & contrast

On white

11.95

#640F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#640F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F5A

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F5A	#FFFFFF	#000000	##FFFFFF
##640F5A	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2F5C

Deuteranopia (green-blind)

#2E3B58

Tritanopia (blue-blind)

#691935

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #640f5a;
/* rgb */ color: rgb(100, 15, 90);
/* oklch */ color: oklch(35.5% 0.143 333.7);

Tailwind

colors: {
  custom: {
    50: '#935a89',
    500: '#640f5a',
    950: '#000000',
  },
}

SCSS

$custom: #640f5a;
$custom-light: #935a89;
$custom-dark: #000000;

JSON

{
  "hex": "#640f5a",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 90
  },
  "hsl": {
    "h": 307.059,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.355,
    "c": 0.14336,
    "h": 333.7
  },
  "luminance": 0.03789
}

Semantic roles & 50–950 ramp

primary

#640F5A

secondary

#329D3E

accent

#F14D37

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #640F5A

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

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