#644F8A#644F8A

#644F8A is a mid, moderate violet. Relative luminance 0.101; OKLCH L 47.5% C 0.095 H 299.2°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#644F8A
RGB	rgb(100, 79, 138)
HSL	hsl(261, 27%, 43%)
HSV	hsv(261, 43%, 54%)
CMYK	cmyk(27.5%, 42.8%, 0%, 45.9%)
CIE-LAB	lab(38.09, 22.07, -29.75)
CIE-LCH	lch(38.09, 37.05, 306.57°)
OKLab	oklab(47.51% 0.0464 -0.0831)
OKLCH	oklch(47.51% 0.095 299.2)
XYZ	xyz(12.6379, 10.1362, 25.3305)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F8A #758A4F

analogous

#4F578A #644F8A #824F8A

triadic

#644F8A #8A644F #4F8A64

tetradic

#644F8A #8A4F57 #758A4F #4F8A82

square

#644F8A #8A4F57 #758A4F #4F8A82

split-complementary

#644F8A #8A824F #578A4F

monochromatic

#2C223C #483963 #644F8A #826CAB #A393C1

Accessibility & contrast

On white

6.94

#644F8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#644F8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644F8A

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F8A	#FFFFFF	#000000	##FFFFFF
##644F8A	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5A8C

Deuteranopia (green-blind)

#435988

Tritanopia (blue-blind)

#5D5966

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #644f8a;
/* rgb */ color: rgb(100, 79, 138);
/* oklch */ color: oklch(47.5% 0.095 299.2);

Tailwind

colors: {
  custom: {
    50: '#9180ac',
    500: '#644f8a',
    950: '#000000',
  },
}

SCSS

$custom: #644f8a;
$custom-light: #9180ac;
$custom-dark: #000000;

JSON

{
  "hex": "#644f8a",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 138
  },
  "hsl": {
    "h": 261.356,
    "s": 27.189,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4751,
    "c": 0.09517,
    "h": 299.2
  },
  "luminance": 0.10136
}

Semantic roles & 50–950 ramp

primary

#644F8A

secondary

#A0AE87

accent

#C464A2

background

#F9F7FA

surface

#F1EEF4

border

#CBC9CE

text

#0D0A10

muted

#7E7C7F

Preview Lab

Preview with #644F8A

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

Preview Lab → · Contrast checker → · Palette generator →