#64178A#64178A

#64178A is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.5% C 0.177 H 310.9°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#64178A
RGB	rgb(100, 23, 138)
HSL	hsl(280, 71%, 32%)
HSV	hsv(280, 83%, 54%)
CMYK	cmyk(27.5%, 83.3%, 0%, 45.9%)
CIE-LAB	lab(27.18, 51.09, -47.20)
CIE-LCH	lch(27.18, 69.56, 317.27°)
OKLab	oklab(39.55% 0.116 -0.1339)
OKLCH	oklch(39.55% 0.177 310.9)
XYZ	xyz(10.1485, 5.1573, 24.5007)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64178A #3D8A17

analogous

#2B178A #64178A #8A1777

triadic

#64178A #8A6417 #178A64

tetradic

#64178A #8A2B17 #3D8A17 #17778A

square

#64178A #8A2B17 #3D8A17 #17778A

split-complementary

#64178A #778A17 #178A2B

monochromatic

#180621 #3E0E56 #64178A #8A20BE #A93DDF

Accessibility & contrast

On white

10.34

#64178A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#64178A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64178A

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64178A	#FFFFFF	#000000	##FFFFFF
##64178A	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8D

Deuteranopia (green-blind)

#004188

Tritanopia (blue-blind)

#5F3552

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #64178a;
/* rgb */ color: rgb(100, 23, 138);
/* oklch */ color: oklch(39.5% 0.177 310.9);

Tailwind

colors: {
  custom: {
    50: '#955fad',
    500: '#64178a',
    950: '#000000',
  },
}

SCSS

$custom: #64178a;
$custom-light: #955fad;
$custom-dark: #000000;

JSON

{
  "hex": "#64178a",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 138
  },
  "hsl": {
    "h": 280.174,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39546,
    "c": 0.17715,
    "h": 310.9
  },
  "luminance": 0.05157
}

Semantic roles & 50–950 ramp

primary

#64178A

secondary

#69BE3F

accent

#EE3A75

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #64178A

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

Preview Lab → · Contrast checker → · Palette generator →