#642FA8#642FA8

#642FA8 is a dark, vivid violet. Relative luminance 0.076; OKLCH L 44.5% C 0.182 H 298.7°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#642FA8
RGB	rgb(100, 47, 168)
HSL	hsl(266, 56%, 42%)
HSV	hsv(266, 72%, 66%)
CMYK	cmyk(40.5%, 72%, 0%, 34.1%)
CIE-LAB	lab(33.07, 48.32, -55.96)
CIE-LCH	lch(33.07, 73.94, 310.81°)
OKLab	oklab(44.45% 0.0874 -0.1598)
OKLCH	oklch(44.45% 0.182 298.7)
XYZ	xyz(13.3381, 7.5693, 37.7965)
Luminance	0.0757 (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

#642FA8 #73A82F

analogous

#2F37A8 #642FA8 #A12FA8

triadic

#642FA8 #A8642F #2FA864

tetradic

#642FA8 #A82F37 #73A82F #2FA8A1

square

#642FA8 #A82F37 #73A82F #2FA8A1

split-complementary

#642FA8 #A8A12F #37A82F

monochromatic

#2B1448 #482278 #642FA8 #8248CC #A378D9

Accessibility & contrast

On white

8.35

#642FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#642FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642FA8

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642FA8	#FFFFFF	#000000	##FFFFFF
##642FA8	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAC

Deuteranopia (green-blind)

#004DA6

Tritanopia (blue-blind)

#544D68

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #642fa8;
/* rgb */ color: rgb(100, 47, 168);
/* oklch */ color: oklch(44.5% 0.182 298.7);

Tailwind

colors: {
  custom: {
    50: '#966cc3',
    500: '#642fa8',
    950: '#000000',
  },
}

SCSS

$custom: #642fa8;
$custom-light: #966cc3;
$custom-dark: #000000;

JSON

{
  "hex": "#642fa8",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 168
  },
  "hsl": {
    "h": 266.281,
    "s": 56.279,
    "l": 42.157
  },
  "oklch": {
    "l": 0.44451,
    "c": 0.18216,
    "h": 298.7
  },
  "luminance": 0.0757
}

Semantic roles & 50–950 ramp

primary

#642FA8

secondary

#9EC171

accent

#E0489D

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #642FA8

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

Preview Lab → · Contrast checker → · Palette generator →