#642CA4#642CA4

#642CA4 is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.8% C 0.181 H 300.2°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#642CA4
RGB	rgb(100, 44, 164)
HSL	hsl(268, 58%, 41%)
HSV	hsv(268, 73%, 64%)
CMYK	cmyk(39%, 73.2%, 0%, 35.7%)
CIE-LAB	lab(32.24, 48.74, -54.90)
CIE-LCH	lch(32.24, 73.41, 311.59°)
OKLab	oklab(43.76% 0.0912 -0.1567)
OKLCH	oklch(43.76% 0.181 300.2)
XYZ	xyz(12.8554, 7.1909, 35.8255)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642CA4 #6CA42C

analogous

#2C30A4 #642CA4 #A02CA4

triadic

#642CA4 #A4642C #2CA464

tetradic

#642CA4 #A42C30 #6CA42C #2CA4A0

square

#642CA4 #A42C30 #6CA42C #2CA4A0

split-complementary

#642CA4 #A4A02C #30A42C

monochromatic

#291243 #471F74 #642CA4 #8241CC #A271D9

Accessibility & contrast

On white

8.61

#642CA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#642CA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642CA4

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642CA4	#FFFFFF	#000000	##FFFFFF
##642CA4	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA7

Deuteranopia (green-blind)

#004BA2

Tritanopia (blue-blind)

#554A65

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #642ca4;
/* rgb */ color: rgb(100, 44, 164);
/* oklch */ color: oklch(43.8% 0.181 300.2);

Tailwind

colors: {
  custom: {
    50: '#966ac0',
    500: '#642ca4',
    950: '#000000',
  },
}

SCSS

$custom: #642ca4;
$custom-light: #966ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#642ca4",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 164
  },
  "hsl": {
    "h": 268,
    "s": 57.692,
    "l": 40.784
  },
  "oklch": {
    "l": 0.4376,
    "c": 0.1813,
    "h": 300.2
  },
  "luminance": 0.07191
}

Semantic roles & 50–950 ramp

primary

#642CA4

secondary

#99C06B

accent

#E14799

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642CA4

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

Preview Lab → · Contrast checker → · Palette generator →