#642A9B#642A9B

#642A9B is a dark, vivid violet. Relative luminance 0.067; OKLCH L 42.8% C 0.174 H 303.1°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#642A9B
RGB	rgb(100, 42, 155)
HSL	hsl(271, 57%, 39%)
HSV	hsv(271, 73%, 61%)
CMYK	cmyk(35.5%, 72.9%, 0%, 39.2%)
CIE-LAB	lab(31.19, 47.42, -51.16)
CIE-LCH	lch(31.19, 69.76, 312.83°)
OKLab	oklab(42.79% 0.0949 -0.1457)
OKLCH	oklch(42.79% 0.174 303.1)
XYZ	xyz(11.9985, 6.7318, 31.6712)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A9B #619B2A

analogous

#2B2A9B #642A9B #9B2A99

triadic

#642A9B #9B642A #2A9B64

tetradic

#642A9B #9B2B2A #619B2A #2A999B

square

#642A9B #9B2B2A #619B2A #2A999B

split-complementary

#642A9B #999B2A #2A9B2B

monochromatic

#26103B #451D6B #642A9B #8339C9 #A169D6

Accessibility & contrast

On white

8.95

#642A9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#642A9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A9B

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A9B	#FFFFFF	#000000	##FFFFFF
##642A9B	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489E

Deuteranopia (green-blind)

#004999

Tritanopia (blue-blind)

#594560

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #642a9b;
/* rgb */ color: rgb(100, 42, 155);
/* oklch */ color: oklch(42.8% 0.174 303.1);

Tailwind

colors: {
  custom: {
    50: '#9569b9',
    500: '#642a9b',
    950: '#000000',
  },
}

SCSS

$custom: #642a9b;
$custom-light: #9569b9;
$custom-dark: #000000;

JSON

{
  "hex": "#642a9b",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 155
  },
  "hsl": {
    "h": 270.796,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.42793,
    "c": 0.17388,
    "h": 303.1
  },
  "luminance": 0.06732
}

Semantic roles & 50–950 ramp

primary

#642A9B

secondary

#8FBD64

accent

#E14792

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642A9B

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

Preview Lab → · Contrast checker → · Palette generator →