#642F97#642F97

#642F97 is a dark, vivid violet. Relative luminance 0.070; OKLCH L 43.1% C 0.163 H 303.6°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#642F97
RGB	rgb(100, 47, 151)
HSL	hsl(271, 53%, 39%)
HSV	hsv(271, 69%, 59%)
CMYK	cmyk(33.8%, 68.9%, 0%, 40.8%)
CIE-LAB	lab(31.75, 43.99, -47.80)
CIE-LCH	lch(31.75, 64.96, 312.63°)
OKLab	oklab(43.1% 0.0902 -0.1358)
OKLCH	oklch(43.1% 0.163 303.6)
XYZ	xyz(11.8567, 6.9767, 29.9942)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F97 #62972F

analogous

#302F97 #642F97 #972F96

triadic

#642F97 #97642F #2F9764

tetradic

#642F97 #97302F #62972F #2F9697

square

#642F97 #97302F #62972F #2F9697

split-complementary

#642F97 #96972F #2F9730

monochromatic

#26123A #452068 #642F97 #8340C3 #A16ED2

Accessibility & contrast

On white

8.77

#642F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#642F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F97

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F97	#FFFFFF	#000000	##FFFFFF
##642F97	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9A

Deuteranopia (green-blind)

#024B95

Tritanopia (blue-blind)

#5A475F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #642f97;
/* rgb */ color: rgb(100, 47, 151);
/* oklch */ color: oklch(43.1% 0.163 303.6);

Tailwind

colors: {
  custom: {
    50: '#946cb6',
    500: '#642f97',
    950: '#000000',
  },
}

SCSS

$custom: #642f97;
$custom-light: #946cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#642f97",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 151
  },
  "hsl": {
    "h": 270.577,
    "s": 52.525,
    "l": 38.824
  },
  "oklch": {
    "l": 0.431,
    "c": 0.16305,
    "h": 303.6
  },
  "luminance": 0.06977
}

Semantic roles & 50–950 ramp

primary

#642F97

secondary

#90B968

accent

#DC4C93

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642F97

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

Preview Lab → · Contrast checker → · Palette generator →