#644AA5#644AA5

#644AA5 is a mid, vivid violet. Relative luminance 0.103; OKLCH L 48.3% C 0.141 H 293.6°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#644AA5
RGB	rgb(100, 74, 165)
HSL	hsl(257, 38%, 47%)
HSV	hsv(257, 55%, 65%)
CMYK	cmyk(39.4%, 55.2%, 0%, 35.3%)
CIE-LAB	lab(38.42, 32.58, -45.52)
CIE-LCH	lch(38.42, 55.97, 305.59°)
OKLab	oklab(48.26% 0.0564 -0.1292)
OKLCH	oklch(48.26% 0.141 293.6)
XYZ	xyz(14.4940, 10.3232, 36.8189)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644AA5 #8BA54A

analogous

#4A5EA5 #644AA5 #924AA5

triadic

#644AA5 #A5644A #4AA564

tetradic

#644AA5 #A54A5E #8BA54A #4AA592

square

#644AA5 #A54A5E #8BA54A #4AA592

split-complementary

#644AA5 #A5924A #5EA54A

monochromatic

#312450 #4A377B #644AA5 #856EBE #A998D1

Accessibility & contrast

On white

6.85

#644AA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#644AA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AA5

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644AA5	#FFFFFF	#000000	##FFFFFF
##644AA5	1.00	6.85	3.06	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205BA8

Deuteranopia (green-blind)

#2759A3

Tritanopia (blue-blind)

#535D70

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #644aa5;
/* rgb */ color: rgb(100, 74, 165);
/* oklch */ color: oklch(48.3% 0.141 293.6);

Tailwind

colors: {
  custom: {
    50: '#947dc0',
    500: '#644aa5',
    950: '#000000',
  },
}

SCSS

$custom: #644aa5;
$custom-light: #947dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#644aa5",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 165
  },
  "hsl": {
    "h": 257.143,
    "s": 38.075,
    "l": 46.863
  },
  "oklch": {
    "l": 0.48263,
    "c": 0.14096,
    "h": 293.6
  },
  "luminance": 0.10323
}

Semantic roles & 50–950 ramp

primary

#644AA5

secondary

#B0BD8E

accent

#CE5AAD

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644AA5

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

Preview Lab → · Contrast checker → · Palette generator →