#642D9C#642D9C

#642D9C is a dark, vivid violet. Relative luminance 0.070; OKLCH L 43.2% C 0.171 H 302.4°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#642D9C
RGB	rgb(100, 45, 156)
HSL	hsl(270, 55%, 39%)
HSV	hsv(270, 71%, 61%)
CMYK	cmyk(35.9%, 71.2%, 0%, 38.8%)
CIE-LAB	lab(31.78, 46.24, -50.81)
CIE-LCH	lch(31.78, 68.70, 312.30°)
OKLab	oklab(43.24% 0.0916 -0.1447)
OKLCH	oklch(43.24% 0.171 302.4)
XYZ	xyz(12.1932, 6.9864, 32.1522)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D9C #659C2D

analogous

#2D2D9C #642D9C #9C2D9C

triadic

#642D9C #9C642D #2D9C64

tetradic

#642D9C #9C2D2D #659C2D #2D9C9C

square

#642D9C #9C2D2D #659C2D #2D9C9C

split-complementary

#642D9C #9C9C2D #2D9C2D

monochromatic

#27123D #461F6D #642D9C #823FC8 #A16ED5

Accessibility & contrast

On white

8.76

#642D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#642D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D9C

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D9C	#FFFFFF	#000000	##FFFFFF
##642D9C	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#004A9A

Tritanopia (blue-blind)

#584761

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #642d9c;
/* rgb */ color: rgb(100, 45, 156);
/* oklch */ color: oklch(43.2% 0.171 302.4);

Tailwind

colors: {
  custom: {
    50: '#956bba',
    500: '#642d9c',
    950: '#000000',
  },
}

SCSS

$custom: #642d9c;
$custom-light: #956bba;
$custom-dark: #000000;

JSON

{
  "hex": "#642d9c",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 156
  },
  "hsl": {
    "h": 269.73,
    "s": 55.224,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43235,
    "c": 0.17125,
    "h": 302.4
  },
  "luminance": 0.06986
}

Semantic roles & 50–950 ramp

primary

#642D9C

secondary

#93BC68

accent

#DF4995

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642D9C

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

Preview Lab → · Contrast checker → · Palette generator →