#644DAF#644DAF

#644DAF is a mid, vivid violet. Relative luminance 0.111; OKLCH L 49.5% C 0.150 H 290.7°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#644DAF
RGB	rgb(100, 77, 175)
HSL	hsl(254, 39%, 49%)
HSV	hsv(254, 56%, 69%)
CMYK	cmyk(42.9%, 56%, 0%, 31.4%)
CIE-LAB	lab(39.77, 33.64, -49.29)
CIE-LCH	lch(39.77, 59.67, 304.32°)
OKLab	oklab(49.47% 0.053 -0.1402)
OKLCH	oklch(49.47% 0.15 290.7)
XYZ	xyz(15.6451, 11.1117, 41.8696)
Luminance	0.1111 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DAF #98AF4D

analogous

#4D67AF #644DAF #954DAF

triadic

#644DAF #AF644D #4DAF64

tetradic

#644DAF #AF4D67 #98AF4D #4DAF95

square

#644DAF #AF4D67 #98AF4D #4DAF95

split-complementary

#644DAF #AF954D #67AF4D

monochromatic

#33285A #4C3A85 #644DAF #8876C3 #ADA1D6

Accessibility & contrast

On white

6.52

#644DAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#644DAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DAF

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DAF	#FFFFFF	#000000	##FFFFFF
##644DAF	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#195FB2

Deuteranopia (green-blind)

#1E5CAD

Tritanopia (blue-blind)

#4F6276

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644daf;
/* rgb */ color: rgb(100, 77, 175);
/* oklch */ color: oklch(49.5% 0.150 290.7);

Tailwind

colors: {
  custom: {
    50: '#957fc7',
    500: '#644daf',
    950: '#000000',
  },
}

SCSS

$custom: #644daf;
$custom-light: #957fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#644daf",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 175
  },
  "hsl": {
    "h": 254.082,
    "s": 38.889,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49471,
    "c": 0.1499,
    "h": 290.7
  },
  "luminance": 0.11112
}

Semantic roles & 50–950 ramp

primary

#644DAF

secondary

#B8C395

accent

#CF59B3

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644DAF

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

Preview Lab → · Contrast checker → · Palette generator →