#64188B#64188B

#64188B is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.7% C 0.177 H 310.4°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#64188B
RGB	rgb(100, 24, 139)
HSL	hsl(280, 71%, 32%)
HSV	hsv(280, 83%, 55%)
CMYK	cmyk(28.1%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(27.37, 50.98, -47.51)
CIE-LCH	lch(27.37, 69.69, 317.02°)
OKLab	oklab(39.71% 0.1149 -0.1348)
OKLCH	oklch(39.71% 0.177 310.4)
XYZ	xyz(10.2414, 5.2269, 24.8905)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64188B #3F8B18

analogous

#2B188B #64188B #8B1879

triadic

#64188B #8B6418 #188B64

tetradic

#64188B #8B2B18 #3F8B18 #18798B

square

#64188B #8B2B18 #3F8B18 #18798B

split-complementary

#64188B #798B18 #188B2B

monochromatic

#190623 #3E0F57 #64188B #8A21BF #A83FDE

Accessibility & contrast

On white

10.27

#64188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#64188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64188B

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64188B	#FFFFFF	#000000	##FFFFFF
##64188B	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#004289

Tritanopia (blue-blind)

#5E3652

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #64188b;
/* rgb */ color: rgb(100, 24, 139);
/* oklch */ color: oklch(39.7% 0.177 310.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#64188b",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 279.652,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39707,
    "c": 0.17717,
    "h": 310.4
  },
  "luminance": 0.05227
}

Semantic roles & 50–950 ramp

primary

#64188B

secondary

#6BBE40

accent

#ED3A77

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #64188B

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

Preview Lab → · Contrast checker → · Palette generator →