#644ACE#644ACE

#644ACE is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.3% C 0.194 H 286.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#644ACE
RGB	rgb(100, 74, 206)
HSL	hsl(252, 57%, 55%)
HSV	hsv(252, 64%, 81%)
CMYK	cmyk(51.5%, 64.1%, 0%, 19.2%)
CIE-LAB	lab(41.31, 44.49, -64.89)
CIE-LCH	lch(41.31, 78.68, 304.44°)
OKLab	oklab(51.3% 0.0549 -0.1861)
OKLCH	oklch(51.3% 0.194 286.4)
XYZ	xyz(18.8416, 12.0622, 59.7160)
Luminance	0.1206 (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

#644ACE #B4CE4A

analogous

#4A72CE #644ACE #A64ACE

triadic

#644ACE #CE644A #4ACE64

tetradic

#644ACE #CE4A72 #B4CE4A #4ACEA6

square

#644ACE #CE4A72 #B4CE4A #4ACEA6

split-complementary

#644ACE #CEA64A #72CE4A

monochromatic

#33227C #472FAC #644ACE #8D7ADB #B6AAE8

Accessibility & contrast

On white

6.15

#644ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#644ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ACE

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644ACE	#FFFFFF	#000000	##FFFFFF
##644ACE	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D2

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#3B6A85

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644ace;
/* rgb */ color: rgb(100, 74, 206);
/* oklch */ color: oklch(51.3% 0.194 286.4);

Tailwind

colors: {
  custom: {
    50: '#997ede',
    500: '#644ace',
    950: '#000000',
  },
}

SCSS

$custom: #644ace;
$custom-light: #997ede;
$custom-dark: #000000;

JSON

{
  "hex": "#644ace",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 206
  },
  "hsl": {
    "h": 251.818,
    "s": 57.391,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51304,
    "c": 0.19405,
    "h": 286.4
  },
  "luminance": 0.12063
}

Semantic roles & 50–950 ramp

primary

#644ACE

secondary

#CBD69E

accent

#E147C2

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644ACE

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

Preview Lab → · Contrast checker → · Palette generator →