#642D98#642D98

#642D98 is a dark, vivid violet. Relative luminance 0.069; OKLCH L 42.9% C 0.167 H 303.6°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#642D98
RGB	rgb(100, 45, 152)
HSL	hsl(271, 54%, 39%)
HSV	hsv(271, 70%, 60%)
CMYK	cmyk(34.2%, 70.4%, 0%, 40.4%)
CIE-LAB	lab(31.47, 45.24, -48.87)
CIE-LCH	lch(31.47, 66.60, 312.79°)
OKLab	oklab(42.92% 0.0923 -0.139)
OKLCH	oklch(42.92% 0.167 303.6)
XYZ	xyz(11.8601, 6.8531, 30.3976)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D98 #61982D

analogous

#2E2D98 #642D98 #982D96

triadic

#642D98 #98642D #2D9864

tetradic

#642D98 #982E2D #61982D #2D9698

square

#642D98 #982E2D #61982D #2D9698

split-complementary

#642D98 #96982D #2D982E

monochromatic

#26113A #451F69 #642D98 #833DC5 #A16CD3

Accessibility & contrast

On white

8.86

#642D98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#642D98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D98

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D98	#FFFFFF	#000000	##FFFFFF
##642D98	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499B

Deuteranopia (green-blind)

#004A96

Tritanopia (blue-blind)

#5A465F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #642d98;
/* rgb */ color: rgb(100, 45, 152);
/* oklch */ color: oklch(42.9% 0.167 303.6);

Tailwind

colors: {
  custom: {
    50: '#956ab7',
    500: '#642d98',
    950: '#000000',
  },
}

SCSS

$custom: #642d98;
$custom-light: #956ab7;
$custom-dark: #000000;

JSON

{
  "hex": "#642d98",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 152
  },
  "hsl": {
    "h": 270.841,
    "s": 54.315,
    "l": 38.627
  },
  "oklch": {
    "l": 0.4292,
    "c": 0.1668,
    "h": 303.6
  },
  "luminance": 0.06853
}

Semantic roles & 50–950 ramp

primary

#642D98

secondary

#8FBA66

accent

#DE4A92

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642D98

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

Preview Lab → · Contrast checker → · Palette generator →