#640D58#640D58

#640D58 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.2% C 0.144 H 334.9°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#640D58
RGB	rgb(100, 13, 88)
HSL	hsl(308, 77%, 22%)
HSV	hsv(308, 87%, 39%)
CMYK	cmyk(0%, 87%, 12%, 60.8%)
CIE-LAB	lab(22.66, 44.53, -22.26)
CIE-LCH	lch(22.66, 49.78, 333.44°)
OKLab	oklab(35.25% 0.1301 -0.061)
OKLCH	oklch(35.25% 0.144 334.9)
XYZ	xyz(7.1610, 3.7024, 9.5681)
Luminance	0.0370 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640D58 #0D6419

analogous

#450D64 #640D58 #640D2D

triadic

#640D58 #58640D #0D5864

tetradic

#640D58 #64450D #0D6419 #0D2D64

square

#640D58 #64450D #0D6419 #0D2D64

split-complementary

#640D58 #2D640D #0D6445

monochromatic

#1B0418 #2E0628 #640D58 #9A1488 #D01BB7

Accessibility & contrast

On white

12.07

#640D58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#640D58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640D58

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640D58	#FFFFFF	#000000	##FFFFFF
##640D58	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C2E5A

Deuteranopia (green-blind)

#2F3B56

Tritanopia (blue-blind)

#691633

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #640d58;
/* rgb */ color: rgb(100, 13, 88);
/* oklch */ color: oklch(35.2% 0.144 334.9);

Tailwind

colors: {
  custom: {
    50: '#935987',
    500: '#640d58',
    950: '#000000',
  },
}

SCSS

$custom: #640d58;
$custom-light: #935987;
$custom-dark: #000000;

JSON

{
  "hex": "#640d58",
  "rgb": {
    "r": 100,
    "g": 13,
    "b": 88
  },
  "hsl": {
    "h": 308.276,
    "s": 76.991,
    "l": 22.157
  },
  "oklch": {
    "l": 0.35247,
    "c": 0.14364,
    "h": 334.9
  },
  "luminance": 0.03702
}

Semantic roles & 50–950 ramp

primary

#640D58

secondary

#2F9E3E

accent

#F44F34

background

#F9F5F8

surface

#F2E9EF

border

#CCC5CA

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #640D58

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

Preview Lab → · Contrast checker → · Palette generator →