#64378D#64378D

#64378D is a dark, vivid violet. Relative luminance 0.074; OKLCH L 43.5% C 0.140 H 305.5°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#64378D
RGB	rgb(100, 55, 141)
HSL	hsl(271, 44%, 38%)
HSV	hsv(271, 61%, 55%)
CMYK	cmyk(29.1%, 61%, 0%, 44.7%)
CIE-LAB	lab(32.62, 37.20, -40.27)
CIE-LCH	lch(32.62, 54.82, 312.73°)
OKLab	oklab(43.51% 0.0811 -0.1137)
OKLCH	oklch(43.51% 0.14 305.5)
XYZ	xyz(11.4284, 7.3649, 26.0136)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64378D #608D37

analogous

#39378D #64378D #8D378B

triadic

#64378D #8D6437 #378D64

tetradic

#64378D #8D3937 #608D37 #378B8D

square

#64378D #8D3937 #608D37 #378B8D

split-complementary

#64378D #8B8D37 #378D39

monochromatic

#261535 #452661 #64378D #8349B8 #A175C9

Accessibility & contrast

On white

8.49

#64378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#64378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64378D

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64378D	#FFFFFF	#000000	##FFFFFF
##64378D	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104B90

Deuteranopia (green-blind)

#264D8B

Tritanopia (blue-blind)

#5D485C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #64378d;
/* rgb */ color: rgb(100, 55, 141);
/* oklch */ color: oklch(43.5% 0.140 305.5);

Tailwind

colors: {
  custom: {
    50: '#9370af',
    500: '#64378d',
    950: '#000000',
  },
}

SCSS

$custom: #64378d;
$custom-light: #9370af;
$custom-dark: #000000;

JSON

{
  "hex": "#64378d",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 271.395,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.43506,
    "c": 0.13966,
    "h": 305.5
  },
  "luminance": 0.07365
}

Semantic roles & 50–950 ramp

primary

#64378D

secondary

#8EB26E

accent

#D45491

background

#F9F6FA

surface

#F2ECF4

border

#CCC7CE

text

#0D0810

muted

#7E7B7F

Preview Lab

Preview with #64378D

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

Preview Lab → · Contrast checker → · Palette generator →