#644C8F#644C8F

#644C8F is a mid, moderate violet. Relative luminance 0.099; OKLCH L 47.2% C 0.107 H 298.7°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#644C8F
RGB	rgb(100, 76, 143)
HSL	hsl(261, 31%, 43%)
HSV	hsv(261, 47%, 56%)
CMYK	cmyk(30.1%, 46.9%, 0%, 43.9%)
CIE-LAB	lab(37.59, 25.26, -33.58)
CIE-LCH	lch(37.59, 42.02, 306.96°)
OKLab	oklab(47.23% 0.0517 -0.0942)
OKLCH	oklch(47.23% 0.107 298.7)
XYZ	xyz(12.7967, 9.8613, 27.2105)
Luminance	0.0986 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C8F #778F4C

analogous

#4C558F #644C8F #864C8F

triadic

#644C8F #8F644C #4C8F64

tetradic

#644C8F #8F4C55 #778F4C #4C8F86

square

#644C8F #8F4C55 #778F4C #4C8F86

split-complementary

#644C8F #8F864C #558F4C

monochromatic

#2C223F #483767 #644C8F #8269AF #A391C4

Accessibility & contrast

On white

7.07

#644C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#644C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C8F

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C8F	#FFFFFF	#000000	##FFFFFF
##644C8F	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385891

Deuteranopia (green-blind)

#3D588D

Tritanopia (blue-blind)

#5B5866

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #644c8f;
/* rgb */ color: rgb(100, 76, 143);
/* oklch */ color: oklch(47.2% 0.107 298.7);

Tailwind

colors: {
  custom: {
    50: '#927eb0',
    500: '#644c8f',
    950: '#000000',
  },
}

SCSS

$custom: #644c8f;
$custom-light: #927eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#644c8f",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 143
  },
  "hsl": {
    "h": 261.493,
    "s": 30.594,
    "l": 42.941
  },
  "oklch": {
    "l": 0.47225,
    "c": 0.10745,
    "h": 298.7
  },
  "luminance": 0.09861
}

Semantic roles & 50–950 ramp

primary

#644C8F

secondary

#A1B186

accent

#C761A2

background

#F9F7FA

surface

#F1EEF5

border

#CBC9CF

text

#0D0A10

muted

#7E7C7F

Preview Lab

Preview with #644C8F

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

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