#642AA8#642AA8

#642AA8 is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.9% C 0.188 H 299.4°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#642AA8
RGB	rgb(100, 42, 168)
HSL	hsl(268, 60%, 41%)
HSV	hsv(268, 75%, 66%)
CMYK	cmyk(40.5%, 75%, 0%, 34.1%)
CIE-LAB	lab(32.24, 50.67, -57.31)
CIE-LCH	lch(32.24, 76.49, 311.48°)
OKLab	oklab(43.86% 0.0922 -0.1637)
OKLCH	oklch(43.86% 0.188 299.4)
XYZ	xyz(13.1496, 7.1922, 37.7336)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642AA8 #6EA82A

analogous

#2A2FA8 #642AA8 #A32AA8

triadic

#642AA8 #A8642A #2AA864

tetradic

#642AA8 #A82A2F #6EA82A #2AA8A3

square

#642AA8 #A82A2F #6EA82A #2AA8A3

split-complementary

#642AA8 #A8A32A #2FA82A

monochromatic

#2A1246 #471E77 #642AA8 #8240CF #A271DB

Accessibility & contrast

On white

8.61

#642AA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#642AA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642AA8

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642AA8	#FFFFFF	#000000	##FFFFFF
##642AA8	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAC

Deuteranopia (green-blind)

#004BA6

Tritanopia (blue-blind)

#544A67

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #642aa8;
/* rgb */ color: rgb(100, 42, 168);
/* oklch */ color: oklch(43.9% 0.188 299.4);

Tailwind

colors: {
  custom: {
    50: '#9669c3',
    500: '#642aa8',
    950: '#000000',
  },
}

SCSS

$custom: #642aa8;
$custom-light: #9669c3;
$custom-dark: #000000;

JSON

{
  "hex": "#642aa8",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 168
  },
  "hsl": {
    "h": 267.619,
    "s": 60,
    "l": 41.176
  },
  "oklch": {
    "l": 0.43865,
    "c": 0.18792,
    "h": 299.4
  },
  "luminance": 0.07192
}

Semantic roles & 50–950 ramp

primary

#642AA8

secondary

#9AC36B

accent

#E3459A

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #642AA8

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

Preview Lab → · Contrast checker → · Palette generator →