#644B8A#644B8A

#644B8A is a mid, moderate violet. Relative luminance 0.096; OKLCH L 46.7% C 0.102 H 300.8°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#644B8A
RGB	rgb(100, 75, 138)
HSL	hsl(264, 30%, 42%)
HSV	hsv(264, 46%, 54%)
CMYK	cmyk(27.5%, 45.7%, 0%, 45.9%)
CIE-LAB	lab(37.07, 24.55, -31.35)
CIE-LCH	lch(37.07, 39.82, 308.06°)
OKLab	oklab(46.75% 0.0524 -0.0877)
OKLCH	oklch(46.75% 0.102 300.8)
XYZ	xyz(12.3580, 9.5764, 25.2372)
Luminance	0.0958 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B8A #718A4B

analogous

#4B528A #644B8A #844B8A

triadic

#644B8A #8A644B #4B8A64

tetradic

#644B8A #8A4B52 #718A4B #4B8A84

square

#644B8A #8A4B52 #718A4B #4B8A84

split-complementary

#644B8A #8A844B #528A4B

monochromatic

#2B203B #473562 #644B8A #8266AC #A28EC2

Accessibility & contrast

On white

7.20

#644B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#644B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B8A

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B8A	#FFFFFF	#000000	##FFFFFF
##644B8A	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39578C

Deuteranopia (green-blind)

#3F5788

Tritanopia (blue-blind)

#5D5664

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #644b8a;
/* rgb */ color: rgb(100, 75, 138);
/* oklch */ color: oklch(46.7% 0.102 300.8);

Tailwind

colors: {
  custom: {
    50: '#927dac',
    500: '#644b8a',
    950: '#000000',
  },
}

SCSS

$custom: #644b8a;
$custom-light: #927dac;
$custom-dark: #000000;

JSON

{
  "hex": "#644b8a",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 138
  },
  "hsl": {
    "h": 263.81,
    "s": 29.577,
    "l": 41.765
  },
  "oklch": {
    "l": 0.46745,
    "c": 0.10218,
    "h": 300.8
  },
  "luminance": 0.09576
}

Semantic roles & 50–950 ramp

primary

#644B8A

secondary

#9DAE83

accent

#C6629E

background

#F9F7FA

surface

#F1EEF4

border

#CBC9CE

text

#0D0A10

muted

#7E7C7F

Preview Lab

Preview with #644B8A

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

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