#644EA5#644EA5

#644EA5 is a mid, vivid violet. Relative luminance 0.109; OKLCH L 49.0% C 0.135 H 292.3°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#644EA5
RGB	rgb(100, 78, 165)
HSL	hsl(255, 36%, 48%)
HSV	hsv(255, 53%, 65%)
CMYK	cmyk(39.4%, 52.7%, 0%, 35.3%)
CIE-LAB	lab(39.37, 30.16, -43.99)
CIE-LCH	lch(39.37, 53.33, 304.43°)
OKLab	oklab(48.97% 0.0513 -0.1247)
OKLCH	oklch(48.97% 0.135 292.3)
XYZ	xyz(14.7696, 10.8743, 36.9108)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EA5 #8FA54E

analogous

#4E64A5 #644EA5 #8F4EA5

triadic

#644EA5 #A5644E #4EA564

tetradic

#644EA5 #A54E64 #8FA54E #4EA58F

square

#644EA5 #A54E64 #8FA54E #4EA58F

split-complementary

#644EA5 #A58F4E #64A54E

monochromatic

#322752 #4B3A7B #644EA5 #8673BD #AA9DD1

Accessibility & contrast

On white

6.61

#644EA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#644EA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EA5

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EA5	#FFFFFF	#000000	##FFFFFF
##644EA5	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295EA8

Deuteranopia (green-blind)

#2D5BA3

Tritanopia (blue-blind)

#536072

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644ea5;
/* rgb */ color: rgb(100, 78, 165);
/* oklch */ color: oklch(49.0% 0.135 292.3);

Tailwind

colors: {
  custom: {
    50: '#9480c0',
    500: '#644ea5',
    950: '#000000',
  },
}

SCSS

$custom: #644ea5;
$custom-light: #9480c0;
$custom-dark: #000000;

JSON

{
  "hex": "#644ea5",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 165
  },
  "hsl": {
    "h": 255.172,
    "s": 35.802,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48969,
    "c": 0.13481,
    "h": 292.3
  },
  "luminance": 0.10875
}

Semantic roles & 50–950 ramp

primary

#644EA5

secondary

#B2BD91

accent

#CC5CB0

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644EA5

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

Preview Lab → · Contrast checker → · Palette generator →