#644A73#644A73

#644A73 is a mid, moderate violet. Relative luminance 0.088; OKLCH L 45.3% C 0.072 H 312.6°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#644A73
RGB	rgb(100, 74, 115)
HSL	hsl(278, 22%, 37%)
HSV	hsv(278, 36%, 45%)
CMYK	cmyk(13%, 35.7%, 0%, 54.9%)
CIE-LAB	lab(35.68, 19.39, -19.33)
CIE-LCH	lch(35.68, 27.38, 315.09°)
OKLab	oklab(45.33% 0.0489 -0.0531)
OKLCH	oklch(45.33% 0.072 312.6)
XYZ	xyz(10.7983, 8.8449, 17.3547)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644A73 #59734A

analogous

#504A73 #644A73 #734A6E

triadic

#644A73 #73644A #4A7364

tetradic

#644A73 #73504A #59734A #4A6E73

square

#644A73 #73504A #59734A #4A6E73

split-complementary

#644A73 #6E734A #4A7350

monochromatic

#231A29 #44324E #644A73 #846298 #A186B1

Accessibility & contrast

On white

7.58

#644A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#644A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A73

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644A73	#FFFFFF	#000000	##FFFFFF
##644A73	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435375

Deuteranopia (green-blind)

#495572

Tritanopia (blue-blind)

#634F59

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #644a73;
/* rgb */ color: rgb(100, 74, 115);
/* oklch */ color: oklch(45.3% 0.072 312.6);

Tailwind

colors: {
  custom: {
    50: '#917d9b',
    500: '#644a73',
    950: '#000000',
  },
}

SCSS

$custom: #644a73;
$custom-light: #917d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#644a73",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 115
  },
  "hsl": {
    "h": 278.049,
    "s": 21.693,
    "l": 37.059
  },
  "oklch": {
    "l": 0.45325,
    "c": 0.07217,
    "h": 312.6
  },
  "luminance": 0.08845
}

Semantic roles & 50–950 ramp

primary

#644A73

secondary

#889E7B

accent

#BE6A89

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0C090E

muted

#7D7B7E

Preview Lab

Preview with #644A73

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

Preview Lab → · Contrast checker → · Palette generator →