#640F67#640F67

#640F67 is a dark, vivid purple. Relative luminance 0.040; OKLCH L 36.3% C 0.154 H 326.6°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#640F67
RGB	rgb(100, 15, 103)
HSL	hsl(298, 75%, 23%)
HSV	hsv(298, 85%, 40%)
CMYK	cmyk(2.9%, 85.4%, 0%, 59.6%)
CIE-LAB	lab(23.77, 46.53, -30.39)
CIE-LCH	lch(23.77, 55.58, 326.85°)
OKLab	oklab(36.34% 0.1283 -0.0846)
OKLCH	oklch(36.34% 0.154 326.6)
XYZ	xyz(7.8744, 4.0308, 13.1926)
Luminance	0.0403 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F67 #12670F

analogous

#380F67 #640F67 #670F3E

triadic

#640F67 #67640F #0F6764

tetradic

#640F67 #67380F #12670F #0F3E67

square

#640F67 #67380F #12670F #0F3E67

split-complementary

#640F67 #3E670F #0F6738

monochromatic

#1A041B #300732 #640F67 #98179C #CC1FD2

Accessibility & contrast

On white

11.63

#640F67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#640F67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F67

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F67	#FFFFFF	#000000	##FFFFFF
##640F67	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003269

Deuteranopia (green-blind)

#273C65

Tritanopia (blue-blind)

#67203C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #640f67;
/* rgb */ color: rgb(100, 15, 103);
/* oklch */ color: oklch(36.3% 0.154 326.6);

Tailwind

colors: {
  custom: {
    50: '#935b93',
    500: '#640f67',
    950: '#000000',
  },
}

SCSS

$custom: #640f67;
$custom-light: #935b93;
$custom-dark: #000000;

JSON

{
  "hex": "#640f67",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 103
  },
  "hsl": {
    "h": 297.955,
    "s": 74.576,
    "l": 23.137
  },
  "oklch": {
    "l": 0.36336,
    "c": 0.15364,
    "h": 326.6
  },
  "luminance": 0.0403
}

Semantic roles & 50–950 ramp

primary

#640F67

secondary

#36A032

accent

#F1373D

background

#F9F5F9

surface

#F2E9F1

border

#CCC5CB

text

#0D040D

muted

#7E797E

Preview Lab

Preview with #640F67

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

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