#640F5E#640F5E

#640F5E is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.7% C 0.146 H 331.4°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#640F5E
RGB	rgb(100, 15, 94)
HSL	hsl(304, 74%, 23%)
HSV	hsv(304, 85%, 39%)
CMYK	cmyk(0%, 85%, 6%, 60.8%)
CIE-LAB	lab(23.20, 44.97, -25.39)
CIE-LCH	lch(23.20, 51.65, 330.55°)
OKLab	oklab(35.75% 0.1286 -0.07)
OKLCH	oklch(35.75% 0.146 331.4)
XYZ	xyz(7.4467, 3.8598, 10.9403)
Luminance	0.0386 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F5E #0F6415

analogous

#3F0F64 #640F5E #640F34

triadic

#640F5E #5E640F #0F5E64

tetradic

#640F5E #643F0F #0F6415 #0F3464

square

#640F5E #643F0F #0F6415 #0F3464

split-complementary

#640F5E #34640F #0F643F

monochromatic

#1B0419 #2F072C #640F5E #991790 #CE1FC2

Accessibility & contrast

On white

11.85

#640F5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#640F5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F5E

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F5E	#FFFFFF	#000000	##FFFFFF
##640F5E	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053060

Deuteranopia (green-blind)

#2C3B5C

Tritanopia (blue-blind)

#681B37

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #640f5e;
/* rgb */ color: rgb(100, 15, 94);
/* oklch */ color: oklch(35.7% 0.146 331.4);

Tailwind

colors: {
  custom: {
    50: '#935a8c',
    500: '#640f5e',
    950: '#000000',
  },
}

SCSS

$custom: #640f5e;
$custom-light: #935a8c;
$custom-dark: #000000;

JSON

{
  "hex": "#640f5e",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 94
  },
  "hsl": {
    "h": 304.235,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35747,
    "c": 0.14645,
    "h": 331.4
  },
  "luminance": 0.03859
}

Semantic roles & 50–950 ramp

primary

#640F5E

secondary

#329D39

accent

#F14437

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0D040C

muted

#7E797D

Preview Lab

Preview with #640F5E

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

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