#644CA0#644CA0

#644CA0 is a mid, vivid violet. Relative luminance 0.104; OKLCH L 48.3% C 0.131 H 294.1°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#644CA0
RGB	rgb(100, 76, 160)
HSL	hsl(257, 36%, 46%)
HSV	hsv(257, 53%, 63%)
CMYK	cmyk(37.5%, 52.5%, 0%, 37.3%)
CIE-LAB	lab(38.58, 29.95, -42.27)
CIE-LCH	lch(38.58, 51.80, 305.32°)
OKLab	oklab(48.28% 0.0536 -0.1196)
OKLCH	oklch(48.28% 0.131 294.1)
XYZ	xyz(14.1835, 10.4160, 34.5141)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CA0 #88A04C

analogous

#4C5EA0 #644CA0 #8E4CA0

triadic

#644CA0 #A0644C #4CA064

tetradic

#644CA0 #A04C5E #88A04C #4CA08E

square

#644CA0 #A04C5E #88A04C #4CA08E

split-complementary

#644CA0 #A08E4C #5EA04C

monochromatic

#30254D #4A3877 #644CA0 #846FBA #A898CE

Accessibility & contrast

On white

6.81

#644CA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#644CA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CA0

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CA0	#FFFFFF	#000000	##FFFFFF
##644CA0	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5CA3

Deuteranopia (green-blind)

#2F599E

Tritanopia (blue-blind)

#555D6E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #644ca0;
/* rgb */ color: rgb(100, 76, 160);
/* oklch */ color: oklch(48.3% 0.131 294.1);

Tailwind

colors: {
  custom: {
    50: '#937ebc',
    500: '#644ca0',
    950: '#000000',
  },
}

SCSS

$custom: #644ca0;
$custom-light: #937ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#644ca0",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 160
  },
  "hsl": {
    "h": 257.143,
    "s": 35.593,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48283,
    "c": 0.13106,
    "h": 294.1
  },
  "luminance": 0.10416
}

Semantic roles & 50–950 ramp

primary

#644CA0

secondary

#AEBB8D

accent

#CC5CAC

background

#F9F7FB

surface

#F2EEF6

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644CA0

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

Preview Lab → · Contrast checker → · Palette generator →