#642E8B#642E8B

#642E8B is a dark, vivid violet. Relative luminance 0.065; OKLCH L 42.1% C 0.151 H 307.9°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#642E8B
RGB	rgb(100, 46, 139)
HSL	hsl(275, 50%, 36%)
HSV	hsv(275, 67%, 55%)
CMYK	cmyk(28.1%, 66.9%, 0%, 45.5%)
CIE-LAB	lab(30.71, 41.54, -42.12)
CIE-LCH	lch(30.71, 59.16, 314.61°)
OKLab	oklab(42.07% 0.0926 -0.1191)
OKLCH	oklch(42.07% 0.151 307.9)
XYZ	xyz(10.8918, 6.5275, 25.1073)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642E8B #558B2E

analogous

#362E8B #642E8B #8B2E84

triadic

#642E8B #8B642E #2E8B64

tetradic

#642E8B #8B362E #558B2E #2E848B

square

#642E8B #8B362E #558B2E #2E848B

split-complementary

#642E8B #848B2E #2E8B36

monochromatic

#22102F #431F5D #642E8B #853DB9 #A267CD

Accessibility & contrast

On white

9.11

#642E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#642E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642E8B

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642E8B	#FFFFFF	#000000	##FFFFFF
##642E8B	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468E

Deuteranopia (green-blind)

#1C4989

Tritanopia (blue-blind)

#5E4158

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #642e8b;
/* rgb */ color: rgb(100, 46, 139);
/* oklch */ color: oklch(42.1% 0.151 307.9);

Tailwind

colors: {
  custom: {
    50: '#946bad',
    500: '#642e8b',
    950: '#000000',
  },
}

SCSS

$custom: #642e8b;
$custom-light: #946bad;
$custom-dark: #000000;

JSON

{
  "hex": "#642e8b",
  "rgb": {
    "r": 100,
    "g": 46,
    "b": 139
  },
  "hsl": {
    "h": 274.839,
    "s": 50.27,
    "l": 36.275
  },
  "oklch": {
    "l": 0.42073,
    "c": 0.15088,
    "h": 307.9
  },
  "luminance": 0.06527
}

Semantic roles & 50–950 ramp

primary

#642E8B

secondary

#84B361

accent

#DA4E89

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #642E8B

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

Preview Lab → · Contrast checker → · Palette generator →