#640F5C#640F5C

#640F5C is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.6% C 0.145 H 332.6°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#640F5C
RGB	rgb(100, 15, 92)
HSL	hsl(306, 74%, 23%)
HSV	hsv(306, 85%, 39%)
CMYK	cmyk(0%, 85%, 8%, 60.8%)
CIE-LAB	lab(23.08, 44.64, -24.26)
CIE-LCH	lch(23.08, 50.81, 331.48°)
OKLab	oklab(35.62% 0.1286 -0.0667)
OKLCH	oklch(35.62% 0.145 332.6)
XYZ	xyz(7.3582, 3.8243, 10.4738)
Luminance	0.0382 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F5C #0F6417

analogous

#410F64 #640F5C #640F32

triadic

#640F5C #5C640F #0F5C64

tetradic

#640F5C #64410F #0F6417 #0F3264

square

#640F5C #64410F #0F6417 #0F3264

split-complementary

#640F5C #32640F #0F6441

monochromatic

#1B0418 #2F072B #640F5C #99178D #CE1FBE

Accessibility & contrast

On white

11.90

#640F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#640F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F5C

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F5C	#FFFFFF	#000000	##FFFFFF
##640F5C	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082F5E

Deuteranopia (green-blind)

#2D3B5A

Tritanopia (blue-blind)

#691A36

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #640f5c;
/* rgb */ color: rgb(100, 15, 92);
/* oklch */ color: oklch(35.6% 0.145 332.6);

Tailwind

colors: {
  custom: {
    50: '#935a8a',
    500: '#640f5c',
    950: '#000000',
  },
}

SCSS

$custom: #640f5c;
$custom-light: #935a8a;
$custom-dark: #000000;

JSON

{
  "hex": "#640f5c",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 92
  },
  "hsl": {
    "h": 305.647,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35622,
    "c": 0.14489,
    "h": 332.6
  },
  "luminance": 0.03824
}

Semantic roles & 50–950 ramp

primary

#640F5C

secondary

#329D3C

accent

#F14937

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0D040C

muted

#7E797D

Preview Lab

Preview with #640F5C

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

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