#642D97#642D97

#642D97 is a dark, vivid violet. Relative luminance 0.068; OKLCH L 42.8% C 0.166 H 303.9°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#642D97
RGB	rgb(100, 45, 151)
HSL	hsl(271, 54%, 38%)
HSV	hsv(271, 70%, 59%)
CMYK	cmyk(33.8%, 70.2%, 0%, 40.8%)
CIE-LAB	lab(31.39, 44.99, -48.38)
CIE-LCH	lch(31.39, 66.07, 312.92°)
OKLab	oklab(42.84% 0.0924 -0.1375)
OKLCH	oklch(42.84% 0.166 303.9)
XYZ	xyz(11.7786, 6.8205, 29.9681)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D97 #60972D

analogous

#2F2D97 #642D97 #972D95

triadic

#642D97 #97642D #2D9764

tetradic

#642D97 #972F2D #60972D #2D9597

square

#642D97 #972F2D #60972D #2D9597

split-complementary

#642D97 #95972D #2D972F

monochromatic

#261139 #451F68 #642D97 #833CC5 #A16BD3

Accessibility & contrast

On white

8.88

#642D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#642D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D97

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D97	#FFFFFF	#000000	##FFFFFF
##642D97	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#004A95

Tritanopia (blue-blind)

#5A455E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #642d97;
/* rgb */ color: rgb(100, 45, 151);
/* oklch */ color: oklch(42.8% 0.166 303.9);

Tailwind

colors: {
  custom: {
    50: '#956ab6',
    500: '#642d97',
    950: '#000000',
  },
}

SCSS

$custom: #642d97;
$custom-light: #956ab6;
$custom-dark: #000000;

JSON

{
  "hex": "#642d97",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 151
  },
  "hsl": {
    "h": 271.132,
    "s": 54.082,
    "l": 38.431
  },
  "oklch": {
    "l": 0.42843,
    "c": 0.1657,
    "h": 303.9
  },
  "luminance": 0.0682
}

Semantic roles & 50–950 ramp

primary

#642D97

secondary

#8EBA66

accent

#DD4A91

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642D97

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

Preview Lab → · Contrast checker → · Palette generator →