#64188C#64188C

#64188C is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.8% C 0.178 H 310.1°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#64188C
RGB	rgb(100, 24, 140)
HSL	hsl(279, 71%, 32%)
HSV	hsv(279, 83%, 55%)
CMYK	cmyk(28.6%, 82.9%, 0%, 45.1%)
CIE-LAB	lab(27.45, 51.20, -48.00)
CIE-LCH	lch(27.45, 70.18, 316.85°)
OKLab	oklab(39.79% 0.1147 -0.1363)
OKLCH	oklch(39.79% 0.178 310.1)
XYZ	xyz(10.3148, 5.2563, 25.2770)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64188C #408C18

analogous

#2A188C #64188C #8C187A

triadic

#64188C #8C6418 #188C64

tetradic

#64188C #8C2A18 #408C18 #187A8C

square

#64188C #8C2A18 #408C18 #187A8C

split-complementary

#64188C #7A8C18 #188C2A

monochromatic

#190624 #3F0F58 #64188C #8921C0 #A840DE

Accessibility & contrast

On white

10.24

#64188C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#64188C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64188C

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64188C	#FFFFFF	#000000	##FFFFFF
##64188C	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8F

Deuteranopia (green-blind)

#00428A

Tritanopia (blue-blind)

#5E3653

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #64188c;
/* rgb */ color: rgb(100, 24, 140);
/* oklch */ color: oklch(39.8% 0.178 310.1);

Tailwind

colors: {
  custom: {
    50: '#9560ae',
    500: '#64188c',
    950: '#000000',
  },
}

SCSS

$custom: #64188c;
$custom-light: #9560ae;
$custom-dark: #000000;

JSON

{
  "hex": "#64188c",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 140
  },
  "hsl": {
    "h": 279.31,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39789,
    "c": 0.17811,
    "h": 310.1
  },
  "luminance": 0.05256
}

Semantic roles & 50–950 ramp

primary

#64188C

secondary

#6CBF41

accent

#ED3A78

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #64188C

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

Preview Lab → · Contrast checker → · Palette generator →