#644AB9#644AB9

#644AB9 is a mid, vivid violet. Relative luminance 0.111; OKLCH L 49.7% C 0.167 H 289.7°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#644AB9
RGB	rgb(100, 74, 185)
HSL	hsl(254, 44%, 51%)
HSV	hsv(254, 60%, 73%)
CMYK	cmyk(45.9%, 60%, 0%, 27.5%)
CIE-LAB	lab(39.76, 38.33, -55.18)
CIE-LCH	lch(39.76, 67.19, 304.78°)
OKLab	oklab(49.69% 0.0564 -0.1576)
OKLCH	oklch(49.69% 0.167 289.7)
XYZ	xyz(16.4588, 11.1091, 47.1666)
Luminance	0.1111 (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

#644AB9 #9FB94A

analogous

#4A67B9 #644AB9 #9B4AB9

triadic

#644AB9 #B9644A #4AB964

tetradic

#644AB9 #B94A67 #9FB94A #4AB99B

square

#644AB9 #B94A67 #9FB94A #4AB99B

split-complementary

#644AB9 #B99B4A #67B94A

monochromatic

#342663 #4C378F #644AB9 #8A76CA #B0A2DB

Accessibility & contrast

On white

6.52

#644AB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#644AB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AB9

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644AB9	#FFFFFF	#000000	##FFFFFF
##644AB9	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)

#0060BD

Deuteranopia (green-blind)

#005BB7

Tritanopia (blue-blind)

#4A637A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644ab9;
/* rgb */ color: rgb(100, 74, 185);
/* oklch */ color: oklch(49.7% 0.167 289.7);

Tailwind

colors: {
  custom: {
    50: '#967dcf',
    500: '#644ab9',
    950: '#000000',
  },
}

SCSS

$custom: #644ab9;
$custom-light: #967dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#644ab9",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 185
  },
  "hsl": {
    "h": 254.054,
    "s": 44.223,
    "l": 50.784
  },
  "oklch": {
    "l": 0.49685,
    "c": 0.16738,
    "h": 289.7
  },
  "luminance": 0.1111
}

Semantic roles & 50–950 ramp

primary

#644AB9

secondary

#BCC897

accent

#D454B6

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644AB9

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

Preview Lab → · Contrast checker → · Palette generator →