#642B8D#642B8D

#642B8D is a dark, vivid violet. Relative luminance 0.064; OKLCH L 41.8% C 0.157 H 307.6°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#642B8D
RGB	rgb(100, 43, 141)
HSL	hsl(275, 53%, 36%)
HSV	hsv(275, 70%, 55%)
CMYK	cmyk(29.1%, 69.5%, 0%, 44.7%)
CIE-LAB	lab(30.30, 43.53, -44.00)
CIE-LCH	lch(30.30, 61.89, 314.69°)
OKLab	oklab(41.83% 0.096 -0.1246)
OKLCH	oklch(41.83% 0.157 307.6)
XYZ	xyz(10.9261, 6.3603, 25.8462)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642B8D #548D2B

analogous

#332B8D #642B8D #8D2B85

triadic

#642B8D #8D642B #2B8D64

tetradic

#642B8D #8D332B #548D2B #2B858D

square

#642B8D #8D332B #548D2B #2B858D

split-complementary

#642B8D #858D2B #2B8D33

monochromatic

#210E2F #431D5E #642B8D #8539BC #A263CF

Accessibility & contrast

On white

9.24

#642B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#642B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642B8D

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642B8D	#FFFFFF	#000000	##FFFFFF
##642B8D	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#14488B

Tritanopia (blue-blind)

#5D4058

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #642b8d;
/* rgb */ color: rgb(100, 43, 141);
/* oklch */ color: oklch(41.8% 0.157 307.6);

Tailwind

colors: {
  custom: {
    50: '#9469af',
    500: '#642b8d',
    950: '#000000',
  },
}

SCSS

$custom: #642b8d;
$custom-light: #9469af;
$custom-dark: #000000;

JSON

{
  "hex": "#642b8d",
  "rgb": {
    "r": 100,
    "g": 43,
    "b": 141
  },
  "hsl": {
    "h": 274.898,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41829,
    "c": 0.15731,
    "h": 307.6
  },
  "luminance": 0.0636
}

Semantic roles & 50–950 ramp

primary

#642B8D

secondary

#83B65E

accent

#DD4B88

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #642B8D

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

Preview Lab → · Contrast checker → · Palette generator →