#64178C#64178C

#64178C is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.7% C 0.179 H 310.2°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#64178C
RGB	rgb(100, 23, 140)
HSL	hsl(279, 72%, 32%)
HSV	hsv(279, 84%, 55%)
CMYK	cmyk(28.6%, 83.6%, 0%, 45.1%)
CIE-LAB	lab(27.34, 51.52, -48.18)
CIE-LCH	lch(27.34, 70.54, 316.92°)
OKLab	oklab(39.71% 0.1155 -0.1368)
OKLCH	oklch(39.71% 0.179 310.2)
XYZ	xyz(10.2946, 5.2158, 25.2703)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64178C #3F8C17

analogous

#2A178C #64178C #8C177A

triadic

#64178C #8C6417 #178C64

tetradic

#64178C #8C2A17 #3F8C17 #177A8C

square

#64178C #8C2A17 #3F8C17 #177A8C

split-complementary

#64178C #7A8C17 #178C2A

monochromatic

#190623 #3E0E57 #64178C #8A20C1 #A83EDF

Accessibility & contrast

On white

10.28

#64178C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#64178C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64178C

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64178C	#FFFFFF	#000000	##FFFFFF
##64178C	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8F

Deuteranopia (green-blind)

#00428A

Tritanopia (blue-blind)

#5E3653

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #64178c;
/* rgb */ color: rgb(100, 23, 140);
/* oklch */ color: oklch(39.7% 0.179 310.2);

Tailwind

colors: {
  custom: {
    50: '#955fae',
    500: '#64178c',
    950: '#000000',
  },
}

SCSS

$custom: #64178c;
$custom-light: #955fae;
$custom-dark: #000000;

JSON

{
  "hex": "#64178c",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 279.487,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39711,
    "c": 0.17901,
    "h": 310.2
  },
  "luminance": 0.05216
}

Semantic roles & 50–950 ramp

primary

#64178C

secondary

#6BBF3F

accent

#EF3977

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #64178C

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

Preview Lab → · Contrast checker → · Palette generator →