#644FAB#644FAB

#644FAB is a mid, vivid violet. Relative luminance 0.112; OKLCH L 49.5% C 0.142 H 290.8°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#644FAB
RGB	rgb(100, 79, 171)
HSL	hsl(254, 37%, 49%)
HSV	hsv(254, 54%, 67%)
CMYK	cmyk(41.5%, 53.8%, 0%, 32.9%)
CIE-LAB	lab(39.98, 31.27, -46.57)
CIE-LCH	lch(39.98, 56.10, 303.88°)
OKLab	oklab(49.55% 0.0503 -0.1323)
OKLCH	oklch(49.55% 0.142 290.8)
XYZ	xyz(15.4002, 11.2411, 39.8785)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FAB #96AB4F

analogous

#4F68AB #644FAB #924FAB

triadic

#644FAB #AB644F #4FAB64

tetradic

#644FAB #AB4F68 #96AB4F #4FAB92

square

#644FAB #AB4F68 #96AB4F #4FAB92

split-complementary

#644FAB #AB924F #68AB4F

monochromatic

#332857 #4C3C81 #644FAB #8877C0 #ACA1D4

Accessibility & contrast

On white

6.46

#644FAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#644FAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FAB

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FAB	#FFFFFF	#000000	##FFFFFF
##644FAB	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2560AE

Deuteranopia (green-blind)

#285CA9

Tritanopia (blue-blind)

#506275

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644fab;
/* rgb */ color: rgb(100, 79, 171);
/* oklch */ color: oklch(49.5% 0.142 290.8);

Tailwind

colors: {
  custom: {
    50: '#9481c4',
    500: '#644fab',
    950: '#000000',
  },
}

SCSS

$custom: #644fab;
$custom-light: #9481c4;
$custom-dark: #000000;

JSON

{
  "hex": "#644fab",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 171
  },
  "hsl": {
    "h": 253.696,
    "s": 36.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49548,
    "c": 0.14151,
    "h": 290.8
  },
  "luminance": 0.11242
}

Semantic roles & 50–950 ramp

primary

#644FAB

secondary

#B7C195

accent

#CD5BB3

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644FAB

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

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