#642FA1#642FA1

#642FA1 is a dark, vivid violet. Relative luminance 0.073; OKLCH L 43.9% C 0.174 H 300.6°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#642FA1
RGB	rgb(100, 47, 161)
HSL	hsl(268, 55%, 41%)
HSV	hsv(268, 71%, 63%)
CMYK	cmyk(37.9%, 70.8%, 0%, 36.9%)
CIE-LAB	lab(32.51, 46.53, -52.64)
CIE-LCH	lch(32.51, 70.26, 311.47°)
OKLab	oklab(43.88% 0.0887 -0.1501)
OKLCH	oklch(43.88% 0.174 300.6)
XYZ	xyz(12.7035, 7.3155, 34.4541)
Luminance	0.0732 (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

#642FA1 #6CA12F

analogous

#2F33A1 #642FA1 #9D2FA1

triadic

#642FA1 #A1642F #2FA164

tetradic

#642FA1 #A12F33 #6CA12F #2FA19D

square

#642FA1 #A12F33 #6CA12F #2FA19D

split-complementary

#642FA1 #A19D2F #33A12F

monochromatic

#291342 #472172 #642FA1 #8245C9 #A274D6

Accessibility & contrast

On white

8.53

#642FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#642FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642FA1

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642FA1	#FFFFFF	#000000	##FFFFFF
##642FA1	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA4

Deuteranopia (green-blind)

#004C9F

Tritanopia (blue-blind)

#564A64

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #642fa1;
/* rgb */ color: rgb(100, 47, 161);
/* oklch */ color: oklch(43.9% 0.174 300.6);

Tailwind

colors: {
  custom: {
    50: '#956cbe',
    500: '#642fa1',
    950: '#000000',
  },
}

SCSS

$custom: #642fa1;
$custom-light: #956cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#642fa1",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 161
  },
  "hsl": {
    "h": 267.895,
    "s": 54.808,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43883,
    "c": 0.17432,
    "h": 300.6
  },
  "luminance": 0.07316
}

Semantic roles & 50–950 ramp

primary

#642FA1

secondary

#99BE6E

accent

#DE4A99

background

#F9F6FB

surface

#F2ECF7

border

#CCC7D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642FA1

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

Preview Lab → · Contrast checker → · Palette generator →