#644D9F#644D9F

#644D9F is a mid, vivid violet. Relative luminance 0.105; OKLCH L 48.4% C 0.128 H 294.0°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#644D9F
RGB	rgb(100, 77, 159)
HSL	hsl(257, 35%, 46%)
HSV	hsv(257, 52%, 62%)
CMYK	cmyk(37.1%, 51.6%, 0%, 37.6%)
CIE-LAB	lab(38.76, 29.06, -41.38)
CIE-LCH	lch(38.76, 50.56, 305.08°)
OKLab	oklab(48.4% 0.0521 -0.117)
OKLCH	oklch(48.4% 0.128 294)
XYZ	xyz(14.1658, 10.5200, 34.0784)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D9F #889F4D

analogous

#4D5F9F #644D9F #8D4D9F

triadic

#644D9F #9F644D #4D9F64

tetradic

#644D9F #9F4D5F #889F4D #4D9F8D

square

#644D9F #9F4D5F #889F4D #4D9F8D

split-complementary

#644D9F #9F8D4D #5F9F4D

monochromatic

#30254D #4A3976 #644D9F #8470BA #A899CE

Accessibility & contrast

On white

6.77

#644D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#644D9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644D9F

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D9F	#FFFFFF	#000000	##FFFFFF
##644D9F	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5CA2

Deuteranopia (green-blind)

#325A9D

Tritanopia (blue-blind)

#565D6E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #644d9f;
/* rgb */ color: rgb(100, 77, 159);
/* oklch */ color: oklch(48.4% 0.128 294.0);

Tailwind

colors: {
  custom: {
    50: '#937fbc',
    500: '#644d9f',
    950: '#000000',
  },
}

SCSS

$custom: #644d9f;
$custom-light: #937fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#644d9f",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 159
  },
  "hsl": {
    "h": 256.829,
    "s": 34.746,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48398,
    "c": 0.12811,
    "h": 294
  },
  "luminance": 0.1052
}

Semantic roles & 50–950 ramp

primary

#644D9F

secondary

#AEBA8E

accent

#CB5DAC

background

#F9F7FB

surface

#F2EEF6

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644D9F

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

Preview Lab → · Contrast checker → · Palette generator →