#642D99#642D99

#642D99 is a dark, vivid violet. Relative luminance 0.069; OKLCH L 43.0% C 0.168 H 303.3°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#642D99
RGB	rgb(100, 45, 153)
HSL	hsl(271, 55%, 39%)
HSV	hsv(271, 71%, 60%)
CMYK	cmyk(34.6%, 70.6%, 0%, 40%)
CIE-LAB	lab(31.55, 45.49, -49.36)
CIE-LCH	lch(31.55, 67.12, 312.67°)
OKLab	oklab(43% 0.0921 -0.1404)
OKLCH	oklch(43% 0.168 303.3)
XYZ	xyz(11.9424, 6.8860, 30.8308)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D99 #62992D

analogous

#2E2D99 #642D99 #992D98

triadic

#642D99 #99642D #2D9964

tetradic

#642D99 #992E2D #62992D #2D9899

square

#642D99 #992E2D #62992D #2D9899

split-complementary

#642D99 #98992D #2D992E

monochromatic

#26113A #451F6A #642D99 #833DC6 #A16CD4

Accessibility & contrast

On white

8.83

#642D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#642D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D99

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D99	#FFFFFF	#000000	##FFFFFF
##642D99	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#004A97

Tritanopia (blue-blind)

#59465F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #642d99;
/* rgb */ color: rgb(100, 45, 153);
/* oklch */ color: oklch(43.0% 0.168 303.3);

Tailwind

colors: {
  custom: {
    50: '#956ab8',
    500: '#642d99',
    950: '#000000',
  },
}

SCSS

$custom: #642d99;
$custom-light: #956ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#642d99",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 153
  },
  "hsl": {
    "h": 270.556,
    "s": 54.545,
    "l": 38.824
  },
  "oklch": {
    "l": 0.42998,
    "c": 0.16792,
    "h": 303.3
  },
  "luminance": 0.06886
}

Semantic roles & 50–950 ramp

primary

#642D99

secondary

#90BB67

accent

#DE4A93

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642D99

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

Preview Lab → · Contrast checker → · Palette generator →