#644FA0#644FA0

#644FA0 is a mid, vivid violet. Relative luminance 0.108; OKLCH L 48.8% C 0.126 H 293.1°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#644FA0
RGB	rgb(100, 79, 160)
HSL	hsl(256, 34%, 47%)
HSV	hsv(256, 51%, 63%)
CMYK	cmyk(37.5%, 50.6%, 0%, 37.3%)
CIE-LAB	lab(39.31, 28.12, -41.10)
CIE-LCH	lch(39.31, 49.80, 304.38°)
OKLab	oklab(48.83% 0.0495 -0.1162)
OKLCH	oklch(48.83% 0.126 293.1)
XYZ	xyz(14.3950, 10.8390, 34.5846)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FA0 #8BA04F

analogous

#4F63A0 #644FA0 #8D4FA0

triadic

#644FA0 #A0644F #4FA064

tetradic

#644FA0 #A04F63 #8BA04F #4FA08D

square

#644FA0 #A04F63 #8BA04F #4FA08D

split-complementary

#644FA0 #A08D4F #63A04F

monochromatic

#31274E #4A3B77 #644FA0 #8573BA #A99CCE

Accessibility & contrast

On white

6.63

#644FA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#644FA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FA0

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FA0	#FFFFFF	#000000	##FFFFFF
##644FA0	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305EA3

Deuteranopia (green-blind)

#345B9E

Tritanopia (blue-blind)

#555F70

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644fa0;
/* rgb */ color: rgb(100, 79, 160);
/* oklch */ color: oklch(48.8% 0.126 293.1);

Tailwind

colors: {
  custom: {
    50: '#9381bc',
    500: '#644fa0',
    950: '#000000',
  },
}

SCSS

$custom: #644fa0;
$custom-light: #9381bc;
$custom-dark: #000000;

JSON

{
  "hex": "#644fa0",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 160
  },
  "hsl": {
    "h": 255.556,
    "s": 33.891,
    "l": 46.863
  },
  "oklch": {
    "l": 0.48827,
    "c": 0.12632,
    "h": 293.1
  },
  "luminance": 0.10839
}

Semantic roles & 50–950 ramp

primary

#644FA0

secondary

#B0BB90

accent

#CA5EAE

background

#F9F7FB

surface

#F2EEF6

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644FA0

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

Preview Lab → · Contrast checker → · Palette generator →