#644180#644180

#644180 is a dark, moderate violet. Relative luminance 0.080; OKLCH L 44.3% C 0.106 H 308.3°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#644180
RGB	rgb(100, 65, 128)
HSL	hsl(273, 33%, 38%)
HSV	hsv(273, 49%, 50%)
CMYK	cmyk(21.9%, 49.2%, 0%, 49.8%)
CIE-LAB	lab(34.08, 28.09, -29.91)
CIE-LCH	lch(34.08, 41.03, 313.20°)
OKLab	oklab(44.33% 0.0659 -0.0835)
OKLCH	oklch(44.33% 0.106 308.3)
XYZ	xyz(11.0414, 8.0486, 21.3898)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644180 #5D8041

analogous

#444180 #644180 #80417C

triadic

#644180 #806441 #418064

tetradic

#644180 #804441 #5D8041 #417C80

square

#644180 #804441 #5D8041 #417C80

split-complementary

#644180 #7C8041 #418044

monochromatic

#25182F #442C57 #644180 #8456A9 #A17EBD

Accessibility & contrast

On white

8.05

#644180 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#644180 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644180

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644180	#FFFFFF	#000000	##FFFFFF
##644180	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314F82

Deuteranopia (green-blind)

#3B517E

Tritanopia (blue-blind)

#604B5A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644180;
/* rgb */ color: rgb(100, 65, 128);
/* oklch */ color: oklch(44.3% 0.106 308.3);

Tailwind

colors: {
  custom: {
    50: '#9276a5',
    500: '#644180',
    950: '#000000',
  },
}

SCSS

$custom: #644180;
$custom-light: #9276a5;
$custom-dark: #000000;

JSON

{
  "hex": "#644180",
  "rgb": {
    "r": 100,
    "g": 65,
    "b": 128
  },
  "hsl": {
    "h": 273.333,
    "s": 32.642,
    "l": 37.843
  },
  "oklch": {
    "l": 0.44332,
    "c": 0.1064,
    "h": 308.3
  },
  "luminance": 0.08048
}

Semantic roles & 50–950 ramp

primary

#644180

secondary

#8CA875

accent

#C95F8E

background

#F9F7FA

surface

#F1EDF4

border

#CBC8CE

text

#0D080F

muted

#7E7B7F

Preview Lab

Preview with #644180

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

Preview Lab → · Contrast checker → · Palette generator →