#644AA3#644AA3

#644AA3 is a mid, vivid violet. Relative luminance 0.103; OKLCH L 48.1% C 0.138 H 294.1°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#644AA3
RGB	rgb(100, 74, 163)
HSL	hsl(258, 38%, 46%)
HSV	hsv(258, 55%, 64%)
CMYK	cmyk(38.7%, 54.6%, 0%, 36.1%)
CIE-LAB	lab(38.29, 32.01, -44.52)
CIE-LCH	lch(38.29, 54.84, 305.71°)
OKLab	oklab(48.13% 0.0564 -0.1263)
OKLCH	oklch(48.13% 0.138 294.1)
XYZ	xyz(14.3134, 10.2509, 35.8677)
Luminance	0.1025 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644AA3 #89A34A

analogous

#4A5DA3 #644AA3 #914AA3

triadic

#644AA3 #A3644A #4AA364

tetradic

#644AA3 #A34A5D #89A34A #4AA391

square

#644AA3 #A34A5D #89A34A #4AA391

split-complementary

#644AA3 #A3914A #5DA34A

monochromatic

#30244F #4A3779 #644AA3 #856DBD #A897D0

Accessibility & contrast

On white

6.88

#644AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#644AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AA3

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644AA3	#FFFFFF	#000000	##FFFFFF
##644AA3	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235BA6

Deuteranopia (green-blind)

#2959A1

Tritanopia (blue-blind)

#545C6F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #644aa3;
/* rgb */ color: rgb(100, 74, 163);
/* oklch */ color: oklch(48.1% 0.138 294.1);

Tailwind

colors: {
  custom: {
    50: '#947dbf',
    500: '#644aa3',
    950: '#000000',
  },
}

SCSS

$custom: #644aa3;
$custom-light: #947dbf;
$custom-dark: #000000;

JSON

{
  "hex": "#644aa3",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 163
  },
  "hsl": {
    "h": 257.528,
    "s": 37.553,
    "l": 46.471
  },
  "oklch": {
    "l": 0.48128,
    "c": 0.13827,
    "h": 294.1
  },
  "luminance": 0.10251
}

Semantic roles & 50–950 ramp

primary

#644AA3

secondary

#AEBC8D

accent

#CE5AAC

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644AA3

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

Preview Lab → · Contrast checker → · Palette generator →