#64378F#64378F

#64378F is a dark, vivid violet. Relative luminance 0.074; OKLCH L 43.6% C 0.142 H 304.8°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#64378F
RGB	rgb(100, 55, 143)
HSL	hsl(271, 44%, 39%)
HSV	hsv(271, 62%, 56%)
CMYK	cmyk(30.1%, 61.5%, 0%, 43.9%)
CIE-LAB	lab(32.76, 37.71, -41.29)
CIE-LCH	lch(32.76, 55.92, 312.41°)
OKLab	oklab(43.65% 0.081 -0.1167)
OKLCH	oklch(43.65% 0.142 304.8)
XYZ	xyz(11.5786, 7.4249, 26.8044)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64378F #628F37

analogous

#38378F #64378F #8F378E

triadic

#64378F #8F6437 #378F64

tetradic

#64378F #8F3837 #628F37 #378E8F

square

#64378F #8F3837 #628F37 #378E8F

split-complementary

#64378F #8E8F37 #378F38

monochromatic

#261537 #452663 #64378F #834AB9 #A176CA

Accessibility & contrast

On white

8.45

#64378F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#64378F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64378F

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64378F	#FFFFFF	#000000	##FFFFFF
##64378F	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4C92

Deuteranopia (green-blind)

#234D8D

Tritanopia (blue-blind)

#5C495D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #64378f;
/* rgb */ color: rgb(100, 55, 143);
/* oklch */ color: oklch(43.6% 0.142 304.8);

Tailwind

colors: {
  custom: {
    50: '#9370b0',
    500: '#64378f',
    950: '#000000',
  },
}

SCSS

$custom: #64378f;
$custom-light: #9370b0;
$custom-dark: #000000;

JSON

{
  "hex": "#64378f",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 143
  },
  "hsl": {
    "h": 270.682,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.43645,
    "c": 0.14209,
    "h": 304.8
  },
  "luminance": 0.07425
}

Semantic roles & 50–950 ramp

primary

#64378F

secondary

#90B36F

accent

#D45492

background

#F9F6FA

surface

#F2ECF5

border

#CCC7CF

text

#0D0810

muted

#7E7B7F

Preview Lab

Preview with #64378F

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

Preview Lab → · Contrast checker → · Palette generator →