#644C8B#644C8B

#644C8B is a mid, moderate violet. Relative luminance 0.097; OKLCH L 47.0% C 0.102 H 300.1°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#644C8B
RGB	rgb(100, 76, 139)
HSL	hsl(263, 29%, 42%)
HSV	hsv(263, 45%, 55%)
CMYK	cmyk(28.1%, 45.3%, 0%, 45.5%)
CIE-LAB	lab(37.38, 24.20, -31.48)
CIE-LCH	lch(37.38, 39.71, 307.54°)
OKLab	oklab(46.99% 0.0511 -0.0881)
OKLCH	oklch(46.99% 0.102 300.1)
XYZ	xyz(12.4991, 9.7422, 25.6430)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C8B #738B4C

analogous

#4C548B #644C8B #844C8B

triadic

#644C8B #8B644C #4C8B64

tetradic

#644C8B #8B4C54 #738B4C #4C8B84

square

#644C8B #8B4C54 #738B4C #4C8B84

split-complementary

#644C8B #8B844C #548B4C

monochromatic

#2B213C #483663 #644C8B #8268AC #A38FC2

Accessibility & contrast

On white

7.12

#644C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#644C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C8B

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C8B	#FFFFFF	#000000	##FFFFFF
##644C8B	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A588D

Deuteranopia (green-blind)

#3F5889

Tritanopia (blue-blind)

#5D5765

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #644c8b;
/* rgb */ color: rgb(100, 76, 139);
/* oklch */ color: oklch(47.0% 0.102 300.1);

Tailwind

colors: {
  custom: {
    50: '#927ead',
    500: '#644c8b',
    950: '#000000',
  },
}

SCSS

$custom: #644c8b;
$custom-light: #927ead;
$custom-dark: #000000;

JSON

{
  "hex": "#644c8b",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 139
  },
  "hsl": {
    "h": 262.857,
    "s": 29.302,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46992,
    "c": 0.10184,
    "h": 300.1
  },
  "luminance": 0.09742
}

Semantic roles & 50–950 ramp

primary

#644C8B

secondary

#9EAE85

accent

#C662A0

background

#F9F7FA

surface

#F1EEF4

border

#CBC9CE

text

#0D0A10

muted

#7E7C7F

Preview Lab

Preview with #644C8B

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

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