#64379B#64379B

#64379B is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.5% C 0.157 H 300.9°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#64379B
RGB	rgb(100, 55, 155)
HSL	hsl(267, 48%, 41%)
HSV	hsv(267, 65%, 61%)
CMYK	cmyk(35.5%, 64.5%, 0%, 39.2%)
CIE-LAB	lab(33.58, 40.81, -47.28)
CIE-LCH	lch(33.58, 62.46, 310.80°)
OKLab	oklab(44.51% 0.0804 -0.1343)
OKLCH	oklch(44.51% 0.157 300.9)
XYZ	xyz(12.5367, 7.8082, 31.8506)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64379B #6E9B37

analogous

#373C9B #64379B #96379B

triadic

#64379B #9B6437 #379B64

tetradic

#64379B #9B373C #6E9B37 #379B96

square

#64379B #9B373C #6E9B37 #379B96

split-complementary

#64379B #9B9637 #3C9B37

monochromatic

#2A1741 #47276E #64379B #824FC0 #A27CD0

Accessibility & contrast

On white

8.20

#64379B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#64379B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64379B

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64379B	#FFFFFF	#000000	##FFFFFF
##64379B	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9E

Deuteranopia (green-blind)

#0F4E99

Tritanopia (blue-blind)

#584D64

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #64379b;
/* rgb */ color: rgb(100, 55, 155);
/* oklch */ color: oklch(44.5% 0.157 300.9);

Tailwind

colors: {
  custom: {
    50: '#9470b9',
    500: '#64379b',
    950: '#000000',
  },
}

SCSS

$custom: #64379b;
$custom-light: #9470b9;
$custom-dark: #000000;

JSON

{
  "hex": "#64379b",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 155
  },
  "hsl": {
    "h": 267,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44507,
    "c": 0.15658,
    "h": 300.9
  },
  "luminance": 0.07808
}

Semantic roles & 50–950 ramp

primary

#64379B

secondary

#9ABA74

accent

#D7519B

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0811

muted

#7E7B80

Preview Lab

Preview with #64379B

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

Preview Lab → · Contrast checker → · Palette generator →