#642D8D#642D8D

#642D8D is a dark, vivid violet. Relative luminance 0.065; OKLCH L 42.1% C 0.155 H 307.3°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#642D8D
RGB	rgb(100, 45, 141)
HSL	hsl(274, 52%, 36%)
HSV	hsv(274, 68%, 55%)
CMYK	cmyk(29.1%, 68.1%, 0%, 44.7%)
CIE-LAB	lab(30.66, 42.53, -43.42)
CIE-LCH	lch(30.66, 60.78, 314.41°)
OKLab	oklab(42.09% 0.0936 -0.1229)
OKLCH	oklch(42.09% 0.155 307.3)
XYZ	xyz(11.0006, 6.5093, 25.8710)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D8D #568D2D

analogous

#342D8D #642D8D #8D2D86

triadic

#642D8D #8D642D #2D8D64

tetradic

#642D8D #8D342D #568D2D #2D868D

square

#642D8D #8D342D #568D2D #2D868D

split-complementary

#642D8D #868D2D #2D8D34

monochromatic

#220F30 #431E5F #642D8D #853CBB #A266CE

Accessibility & contrast

On white

9.12

#642D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#642D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D8D

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D8D	#FFFFFF	#000000	##FFFFFF
##642D8D	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#17498B

Tritanopia (blue-blind)

#5D4259

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #642d8d;
/* rgb */ color: rgb(100, 45, 141);
/* oklch */ color: oklch(42.1% 0.155 307.3);

Tailwind

colors: {
  custom: {
    50: '#946aaf',
    500: '#642d8d',
    950: '#000000',
  },
}

SCSS

$custom: #642d8d;
$custom-light: #946aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#642d8d",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 141
  },
  "hsl": {
    "h": 274.375,
    "s": 51.613,
    "l": 36.471
  },
  "oklch": {
    "l": 0.42087,
    "c": 0.15454,
    "h": 307.3
  },
  "luminance": 0.06509
}

Semantic roles & 50–950 ramp

primary

#642D8D

secondary

#85B561

accent

#DB4D8A

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #642D8D

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

Preview Lab → · Contrast checker → · Palette generator →