#644BA3#644BA3

#644BA3 is a mid, vivid violet. Relative luminance 0.104; OKLCH L 48.3% C 0.137 H 293.7°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#644BA3
RGB	rgb(100, 75, 163)
HSL	hsl(257, 37%, 47%)
HSV	hsv(257, 54%, 64%)
CMYK	cmyk(38.7%, 54%, 0%, 36.1%)
CIE-LAB	lab(38.53, 31.41, -44.15)
CIE-LCH	lch(38.53, 54.18, 305.43°)
OKLab	oklab(48.3% 0.0551 -0.1251)
OKLCH	oklch(48.3% 0.137 293.7)
XYZ	xyz(14.3807, 10.3855, 35.8902)
Luminance	0.1039 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BA3 #8AA34B

analogous

#4B5EA3 #644BA3 #904BA3

triadic

#644BA3 #A3644B #4BA364

tetradic

#644BA3 #A34B5E #8AA34B #4BA390

square

#644BA3 #A34B5E #8AA34B #4BA390

split-complementary

#644BA3 #A3904B #5EA34B

monochromatic

#31244F #4A3879 #644BA3 #856FBD #A899D0

Accessibility & contrast

On white

6.82

#644BA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#644BA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BA3

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BA3	#FFFFFF	#000000	##FFFFFF
##644BA3	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255CA6

Deuteranopia (green-blind)

#2B59A1

Tritanopia (blue-blind)

#545D70

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #644ba3;
/* rgb */ color: rgb(100, 75, 163);
/* oklch */ color: oklch(48.3% 0.137 293.7);

Tailwind

colors: {
  custom: {
    50: '#947ebf',
    500: '#644ba3',
    950: '#000000',
  },
}

SCSS

$custom: #644ba3;
$custom-light: #947ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#644ba3",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 163
  },
  "hsl": {
    "h": 257.045,
    "s": 36.975,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48303,
    "c": 0.13672,
    "h": 293.7
  },
  "luminance": 0.10386
}

Semantic roles & 50–950 ramp

primary

#644BA3

secondary

#AFBC8E

accent

#CD5BAD

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644BA3

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

Preview Lab → · Contrast checker → · Palette generator →