#642FAD#642FAD

#642FAD is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.9% C 0.188 H 297.4°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#642FAD
RGB	rgb(100, 47, 173)
HSL	hsl(265, 57%, 43%)
HSV	hsv(265, 73%, 68%)
CMYK	cmyk(42.2%, 72.8%, 0%, 32.2%)
CIE-LAB	lab(33.48, 49.62, -58.29)
CIE-LCH	lch(33.48, 76.55, 310.40°)
OKLab	oklab(44.87% 0.0864 -0.1667)
OKLCH	oklch(44.87% 0.188 297.4)
XYZ	xyz(13.8129, 7.7592, 40.2970)
Luminance	0.0776 (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

#642FAD #78AD2F

analogous

#2F39AD #642FAD #A32FAD

triadic

#642FAD #AD642F #2FAD64

tetradic

#642FAD #AD2F39 #78AD2F #2FADA3

square

#642FAD #AD2F39 #78AD2F #2FADA3

split-complementary

#642FAD #ADA32F #39AD2F

monochromatic

#2C154D #48227D #642FAD #824BCE #A47BDB

Accessibility & contrast

On white

8.23

#642FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#642FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642FAD

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642FAD	#FFFFFF	#000000	##FFFFFF
##642FAD	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB1

Deuteranopia (green-blind)

#004DAA

Tritanopia (blue-blind)

#514F6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #642fad;
/* rgb */ color: rgb(100, 47, 173);
/* oklch */ color: oklch(44.9% 0.188 297.4);

Tailwind

colors: {
  custom: {
    50: '#976cc6',
    500: '#642fad',
    950: '#000000',
  },
}

SCSS

$custom: #642fad;
$custom-light: #976cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#642fad",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 173
  },
  "hsl": {
    "h": 265.238,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.44866,
    "c": 0.18773,
    "h": 297.4
  },
  "luminance": 0.07759
}

Semantic roles & 50–950 ramp

primary

#642FAD

secondary

#A2C474

accent

#E147A0

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #642FAD

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

Preview Lab → · Contrast checker → · Palette generator →