#644EA4#644EA4

#644EA4 is a mid, vivid violet. Relative luminance 0.108; OKLCH L 48.9% C 0.133 H 292.6°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#644EA4
RGB	rgb(100, 78, 164)
HSL	hsl(255, 36%, 47%)
HSV	hsv(255, 52%, 64%)
CMYK	cmyk(39%, 52.4%, 0%, 35.7%)
CIE-LAB	lab(39.31, 29.87, -43.49)
CIE-LCH	lch(39.31, 52.76, 304.48°)
OKLab	oklab(48.9% 0.0512 -0.1232)
OKLCH	oklch(48.9% 0.133 292.6)
XYZ	xyz(14.6790, 10.8381, 36.4333)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EA4 #8EA44E

analogous

#4E63A4 #644EA4 #8F4EA4

triadic

#644EA4 #A4644E #4EA464

tetradic

#644EA4 #A44E63 #8EA44E #4EA48F

square

#644EA4 #A44E63 #8EA44E #4EA48F

split-complementary

#644EA4 #A48F4E #63A44E

monochromatic

#312751 #4B3A7B #644EA4 #8673BC #AA9CD0

Accessibility & contrast

On white

6.63

#644EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#644EA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EA4

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EA4	#FFFFFF	#000000	##FFFFFF
##644EA4	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)

#2A5EA7

Deuteranopia (green-blind)

#2E5BA2

Tritanopia (blue-blind)

#546071

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644ea4;
/* rgb */ color: rgb(100, 78, 164);
/* oklch */ color: oklch(48.9% 0.133 292.6);

Tailwind

colors: {
  custom: {
    50: '#9480bf',
    500: '#644ea4',
    950: '#000000',
  },
}

SCSS

$custom: #644ea4;
$custom-light: #9480bf;
$custom-dark: #000000;

JSON

{
  "hex": "#644ea4",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 164
  },
  "hsl": {
    "h": 255.349,
    "s": 35.537,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48904,
    "c": 0.13343,
    "h": 292.6
  },
  "luminance": 0.10838
}

Semantic roles & 50–950 ramp

primary

#644EA4

secondary

#B2BD91

accent

#CC5CAF

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644EA4

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

Preview Lab → · Contrast checker → · Palette generator →