#640F58#640F58

#640F58 is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.4% C 0.142 H 334.9°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#640F58
RGB	rgb(100, 15, 88)
HSL	hsl(308, 74%, 23%)
HSV	hsv(308, 85%, 39%)
CMYK	cmyk(0%, 85%, 12%, 60.8%)
CIE-LAB	lab(22.85, 43.99, -21.96)
CIE-LCH	lch(22.85, 49.17, 333.47°)
OKLab	oklab(35.38% 0.1285 -0.0601)
OKLCH	oklch(35.38% 0.142 334.9)
XYZ	xyz(7.1879, 3.7562, 9.5771)
Luminance	0.0376 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F58 #0F641B

analogous

#460F64 #640F58 #640F2D

triadic

#640F58 #58640F #0F5864

tetradic

#640F58 #64460F #0F641B #0F2D64

square

#640F58 #64460F #0F641B #0F2D64

split-complementary

#640F58 #2D640F #0F6446

monochromatic

#1B0417 #2F0729 #640F58 #991787 #CE1FB6

Accessibility & contrast

On white

11.99

#640F58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#640F58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F58

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F58	#FFFFFF	#000000	##FFFFFF
##640F58	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2F5A

Deuteranopia (green-blind)

#2F3B56

Tritanopia (blue-blind)

#691833

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #640f58;
/* rgb */ color: rgb(100, 15, 88);
/* oklch */ color: oklch(35.4% 0.142 334.9);

Tailwind

colors: {
  custom: {
    50: '#935a87',
    500: '#640f58',
    950: '#000000',
  },
}

SCSS

$custom: #640f58;
$custom-light: #935a87;
$custom-dark: #000000;

JSON

{
  "hex": "#640f58",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 88
  },
  "hsl": {
    "h": 308.471,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3538,
    "c": 0.14184,
    "h": 334.9
  },
  "luminance": 0.03756
}

Semantic roles & 50–950 ramp

primary

#640F58

secondary

#329D41

accent

#F15137

background

#F9F5F8

surface

#F2E9EF

border

#CCC5CA

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #640F58

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

Preview Lab → · Contrast checker → · Palette generator →