#642D8B#642D8B

#642D8B is a dark, vivid violet. Relative luminance 0.065; OKLCH L 41.9% C 0.152 H 308.0°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#642D8B
RGB	rgb(100, 45, 139)
HSL	hsl(275, 51%, 36%)
HSV	hsv(275, 68%, 55%)
CMYK	cmyk(28.1%, 67.6%, 0%, 45.5%)
CIE-LAB	lab(30.52, 42.05, -42.41)
CIE-LCH	lch(30.52, 59.73, 314.75°)
OKLab	oklab(41.94% 0.0938 -0.12)
OKLCH	oklch(41.94% 0.152 308)
XYZ	xyz(10.8532, 6.4503, 25.0944)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D8B #548B2D

analogous

#352D8B #642D8B #8B2D83

triadic

#642D8B #8B642D #2D8B64

tetradic

#642D8B #8B352D #548B2D #2D838B

square

#642D8B #8B352D #548B2D #2D838B

split-complementary

#642D8B #838B2D #2D8B35

monochromatic

#210F2F #431E5D #642D8B #853CB9 #A265CD

Accessibility & contrast

On white

9.17

#642D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#642D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D8B

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D8B	#FFFFFF	#000000	##FFFFFF
##642D8B	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468E

Deuteranopia (green-blind)

#1A4889

Tritanopia (blue-blind)

#5E4158

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #642d8b;
/* rgb */ color: rgb(100, 45, 139);
/* oklch */ color: oklch(41.9% 0.152 308.0);

Tailwind

colors: {
  custom: {
    50: '#946aad',
    500: '#642d8b',
    950: '#000000',
  },
}

SCSS

$custom: #642d8b;
$custom-light: #946aad;
$custom-dark: #000000;

JSON

{
  "hex": "#642d8b",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 139
  },
  "hsl": {
    "h": 275.106,
    "s": 51.087,
    "l": 36.078
  },
  "oklch": {
    "l": 0.4194,
    "c": 0.15231,
    "h": 308
  },
  "luminance": 0.0645
}

Semantic roles & 50–950 ramp

primary

#642D8B

secondary

#83B460

accent

#DB4D88

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #642D8B

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

Preview Lab → · Contrast checker → · Palette generator →