#642FAC#642FAC

#642FAC is a dark, vivid violet. Relative luminance 0.077; OKLCH L 44.8% C 0.187 H 297.7°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#642FAC
RGB	rgb(100, 47, 172)
HSL	hsl(265, 57%, 43%)
HSV	hsv(265, 73%, 67%)
CMYK	cmyk(41.9%, 72.7%, 0%, 32.5%)
CIE-LAB	lab(33.39, 49.36, -57.83)
CIE-LCH	lch(33.39, 76.03, 310.48°)
OKLab	oklab(44.78% 0.0866 -0.1653)
OKLCH	oklch(44.78% 0.187 297.7)
XYZ	xyz(13.7165, 7.7207, 39.7893)
Luminance	0.0772 (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

#642FAC #77AC2F

analogous

#2F38AC #642FAC #A22FAC

triadic

#642FAC #AC642F #2FAC64

tetradic

#642FAC #AC2F38 #77AC2F #2FACA2

square

#642FAC #AC2F38 #77AC2F #2FACA2

split-complementary

#642FAC #ACA22F #38AC2F

monochromatic

#2C154C #48227C #642FAC #824BCE #A37BDB

Accessibility & contrast

On white

8.25

#642FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#642FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642FAC

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642FAC	#FFFFFF	#000000	##FFFFFF
##642FAC	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB0

Deuteranopia (green-blind)

#004DAA

Tritanopia (blue-blind)

#524F6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #642fac;
/* rgb */ color: rgb(100, 47, 172);
/* oklch */ color: oklch(44.8% 0.187 297.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#642fac",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 172
  },
  "hsl": {
    "h": 265.44,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44782,
    "c": 0.18662,
    "h": 297.7
  },
  "luminance": 0.07721
}

Semantic roles & 50–950 ramp

primary

#642FAC

secondary

#A1C374

accent

#E047A0

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #642FAC

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

Preview Lab → · Contrast checker → · Palette generator →