#64378C#64378C

#64378C is a dark, vivid violet. Relative luminance 0.073; OKLCH L 43.4% C 0.138 H 305.8°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#64378C
RGB	rgb(100, 55, 140)
HSL	hsl(272, 44%, 38%)
HSV	hsv(272, 61%, 55%)
CMYK	cmyk(28.6%, 60.7%, 0%, 45.1%)
CIE-LAB	lab(32.56, 36.95, -39.76)
CIE-LCH	lch(32.56, 54.28, 312.90°)
OKLab	oklab(43.44% 0.0811 -0.1122)
OKLCH	oklch(43.44% 0.138 305.8)
XYZ	xyz(11.3543, 7.3352, 25.6235)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64378C #5F8C37

analogous

#39378C #64378C #8C3789

triadic

#64378C #8C6437 #378C64

tetradic

#64378C #8C3937 #5F8C37 #37898C

square

#64378C #8C3937 #5F8C37 #37898C

split-complementary

#64378C #898C37 #378C39

monochromatic

#251434 #452660 #64378C #8349B7 #A175C9

Accessibility & contrast

On white

8.51

#64378C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#64378C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64378C

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64378C	#FFFFFF	#000000	##FFFFFF
##64378C	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124B8F

Deuteranopia (green-blind)

#274D8A

Tritanopia (blue-blind)

#5D485C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #64378c;
/* rgb */ color: rgb(100, 55, 140);
/* oklch */ color: oklch(43.4% 0.138 305.8);

Tailwind

colors: {
  custom: {
    50: '#9370ae',
    500: '#64378c',
    950: '#000000',
  },
}

SCSS

$custom: #64378c;
$custom-light: #9370ae;
$custom-dark: #000000;

JSON

{
  "hex": "#64378c",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 140
  },
  "hsl": {
    "h": 271.765,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43438,
    "c": 0.13845,
    "h": 305.8
  },
  "luminance": 0.07335
}

Semantic roles & 50–950 ramp

primary

#64378C

secondary

#8DB16D

accent

#D35490

background

#F9F6FA

surface

#F2ECF4

border

#CCC7CE

text

#0D0810

muted

#7E7B7F

Preview Lab

Preview with #64378C

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

Preview Lab → · Contrast checker → · Palette generator →