#642D9A#642D9A

#642D9A is a dark, vivid violet. Relative luminance 0.069; OKLCH L 43.1% C 0.169 H 303.0°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#642D9A
RGB	rgb(100, 45, 154)
HSL	hsl(270, 55%, 39%)
HSV	hsv(270, 71%, 60%)
CMYK	cmyk(35.1%, 70.8%, 0%, 39.6%)
CIE-LAB	lab(31.62, 45.74, -49.84)
CIE-LCH	lch(31.62, 67.65, 312.54°)
OKLab	oklab(43.08% 0.092 -0.1418)
OKLCH	oklch(43.08% 0.169 303)
XYZ	xyz(12.0253, 6.9192, 31.2676)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D9A #639A2D

analogous

#2D2D9A #642D9A #9A2D9A

triadic

#642D9A #9A642D #2D9A64

tetradic

#642D9A #9A2D2D #639A2D #2D9A9A

square

#642D9A #9A2D2D #639A2D #2D9A9A

split-complementary

#642D9A #9A9A2D #2D9A2D

monochromatic

#26113B #451F6B #642D9A #833EC7 #A16DD4

Accessibility & contrast

On white

8.81

#642D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#642D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D9A

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D9A	#FFFFFF	#000000	##FFFFFF
##642D9A	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499D

Deuteranopia (green-blind)

#004A98

Tritanopia (blue-blind)

#594760

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #642d9a;
/* rgb */ color: rgb(100, 45, 154);
/* oklch */ color: oklch(43.1% 0.169 303.0);

Tailwind

colors: {
  custom: {
    50: '#956ab9',
    500: '#642d9a',
    950: '#000000',
  },
}

SCSS

$custom: #642d9a;
$custom-light: #956ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#642d9a",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 154
  },
  "hsl": {
    "h": 270.275,
    "s": 54.774,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43077,
    "c": 0.16904,
    "h": 303
  },
  "luminance": 0.06919
}

Semantic roles & 50–950 ramp

primary

#642D9A

secondary

#91BB67

accent

#DE4A93

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642D9A

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

Preview Lab → · Contrast checker → · Palette generator →