#640F5D#640F5D

#640F5D is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.7% C 0.146 H 332.0°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#640F5D
RGB	rgb(100, 15, 93)
HSL	hsl(305, 74%, 23%)
HSV	hsv(305, 85%, 39%)
CMYK	cmyk(0%, 85%, 7%, 60.8%)
CIE-LAB	lab(23.14, 44.81, -24.82)
CIE-LCH	lch(23.14, 51.23, 331.01°)
OKLab	oklab(35.69% 0.1286 -0.0684)
OKLCH	oklch(35.69% 0.146 332)
XYZ	xyz(7.4022, 3.8419, 10.7055)
Luminance	0.0384 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F5D #0F6416

analogous

#400F64 #640F5D #640F33

triadic

#640F5D #5D640F #0F5D64

tetradic

#640F5D #64400F #0F6416 #0F3364

square

#640F5D #64400F #0F6416 #0F3364

split-complementary

#640F5D #33640F #0F6440

monochromatic

#1B0419 #2F072C #640F5D #99178E #CE1FC0

Accessibility & contrast

On white

11.88

#640F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#640F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F5D

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F5D	#FFFFFF	#000000	##FFFFFF
##640F5D	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07305F

Deuteranopia (green-blind)

#2D3B5B

Tritanopia (blue-blind)

#691A36

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #640f5d;
/* rgb */ color: rgb(100, 15, 93);
/* oklch */ color: oklch(35.7% 0.146 332.0);

Tailwind

colors: {
  custom: {
    50: '#935a8b',
    500: '#640f5d',
    950: '#000000',
  },
}

SCSS

$custom: #640f5d;
$custom-light: #935a8b;
$custom-dark: #000000;

JSON

{
  "hex": "#640f5d",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 93
  },
  "hsl": {
    "h": 304.941,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35685,
    "c": 0.14566,
    "h": 332
  },
  "luminance": 0.03841
}

Semantic roles & 50–950 ramp

primary

#640F5D

secondary

#329D3B

accent

#F14637

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0D040C

muted

#7E797D

Preview Lab

Preview with #640F5D

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

Preview Lab → · Contrast checker → · Palette generator →