#642FA6#642FA6

#642FA6 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 44.3% C 0.180 H 299.2°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#642FA6
RGB	rgb(100, 47, 166)
HSL	hsl(267, 56%, 42%)
HSV	hsv(267, 72%, 65%)
CMYK	cmyk(39.8%, 71.7%, 0%, 34.9%)
CIE-LAB	lab(32.91, 47.81, -55.02)
CIE-LCH	lch(32.91, 72.89, 310.99°)
OKLab	oklab(44.29% 0.0878 -0.157)
OKLCH	oklch(44.29% 0.18 299.2)
XYZ	xyz(13.1532, 7.4954, 36.8228)
Luminance	0.0750 (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

#642FA6 #71A62F

analogous

#2F35A6 #642FA6 #A02FA6

triadic

#642FA6 #A6642F #2FA664

tetradic

#642FA6 #A62F35 #71A62F #2FA6A0

square

#642FA6 #A62F35 #71A62F #2FA6A0

split-complementary

#642FA6 #A6A02F #35A62F

monochromatic

#2B1447 #472176 #642FA6 #8247CB #A277D8

Accessibility & contrast

On white

8.40

#642FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#642FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642FA6

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642FA6	#FFFFFF	#000000	##FFFFFF
##642FA6	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA9

Deuteranopia (green-blind)

#004CA4

Tritanopia (blue-blind)

#544C67

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #642fa6;
/* rgb */ color: rgb(100, 47, 166);
/* oklch */ color: oklch(44.3% 0.180 299.2);

Tailwind

colors: {
  custom: {
    50: '#966cc1',
    500: '#642fa6',
    950: '#000000',
  },
}

SCSS

$custom: #642fa6;
$custom-light: #966cc1;
$custom-dark: #000000;

JSON

{
  "hex": "#642fa6",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 166
  },
  "hsl": {
    "h": 266.723,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.44287,
    "c": 0.17993,
    "h": 299.2
  },
  "luminance": 0.07496
}

Semantic roles & 50–950 ramp

primary

#642FA6

secondary

#9DC170

accent

#DF499C

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642FA6

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

Preview Lab → · Contrast checker → · Palette generator →