#644AAC#644AAC

#644AAC is a mid, vivid violet. Relative luminance 0.106; OKLCH L 48.7% C 0.150 H 292.1°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#644AAC
RGB	rgb(100, 74, 172)
HSL	hsl(256, 40%, 48%)
HSV	hsv(256, 57%, 67%)
CMYK	cmyk(41.9%, 57%, 0%, 32.5%)
CIE-LAB	lab(38.87, 34.57, -48.95)
CIE-LCH	lch(38.87, 59.93, 305.23°)
OKLab	oklab(48.75% 0.0566 -0.1393)
OKLCH	oklch(48.75% 0.15 292.1)
XYZ	xyz(15.1487, 10.5850, 40.2667)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644AAC #92AC4A

analogous

#4A61AC #644AAC #954AAC

triadic

#644AAC #AC644A #4AAC64

tetradic

#644AAC #AC4A61 #92AC4A #4AAC95

square

#644AAC #AC4A61 #92AC4A #4AAC95

split-complementary

#644AAC #AC954A #61AC4A

monochromatic

#322556 #4B3881 #644AAC #8771C2 #AB9CD4

Accessibility & contrast

On white

6.74

#644AAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#644AAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AAC

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644AAC	#FFFFFF	#000000	##FFFFFF
##644AAC	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#145DAF

Deuteranopia (green-blind)

#1C5AAA

Tritanopia (blue-blind)

#505F74

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644aac;
/* rgb */ color: rgb(100, 74, 172);
/* oklch */ color: oklch(48.7% 0.150 292.1);

Tailwind

colors: {
  custom: {
    50: '#957dc5',
    500: '#644aac',
    950: '#000000',
  },
}

SCSS

$custom: #644aac;
$custom-light: #957dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#644aac",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 172
  },
  "hsl": {
    "h": 255.918,
    "s": 39.837,
    "l": 48.235
  },
  "oklch": {
    "l": 0.48746,
    "c": 0.15031,
    "h": 292.1
  },
  "luminance": 0.10585
}

Semantic roles & 50–950 ramp

primary

#644AAC

secondary

#B4C191

accent

#D058B0

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644AAC

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

Preview Lab → · Contrast checker → · Palette generator →