#642F94#642F94

#642F94 is a dark, vivid violet. Relative luminance 0.069; OKLCH L 42.9% C 0.160 H 304.6°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#642F94
RGB	rgb(100, 47, 148)
HSL	hsl(271, 52%, 38%)
HSV	hsv(271, 68%, 58%)
CMYK	cmyk(32.4%, 68.2%, 0%, 42%)
CIE-LAB	lab(31.53, 43.24, -46.32)
CIE-LCH	lch(31.53, 63.37, 313.03°)
OKLab	oklab(42.87% 0.0906 -0.1315)
OKLCH	oklch(42.87% 0.16 304.6)
XYZ	xyz(11.6161, 6.8805, 28.7273)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F94 #5F942F

analogous

#312F94 #642F94 #942F91

triadic

#642F94 #94642F #2F9464

tetradic

#642F94 #94312F #5F942F #2F9194

square

#642F94 #94312F #5F942F #2F9194

split-complementary

#642F94 #91942F #2F9431

monochromatic

#251137 #452066 #642F94 #833EC2 #A16DD1

Accessibility & contrast

On white

8.84

#642F94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#642F94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F94

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F94	#FFFFFF	#000000	##FFFFFF
##642F94	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004997

Deuteranopia (green-blind)

#0C4A92

Tritanopia (blue-blind)

#5B455D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #642f94;
/* rgb */ color: rgb(100, 47, 148);
/* oklch */ color: oklch(42.9% 0.160 304.6);

Tailwind

colors: {
  custom: {
    50: '#946bb4',
    500: '#642f94',
    950: '#000000',
  },
}

SCSS

$custom: #642f94;
$custom-light: #946bb4;
$custom-dark: #000000;

JSON

{
  "hex": "#642f94",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 148
  },
  "hsl": {
    "h": 271.485,
    "s": 51.795,
    "l": 38.235
  },
  "oklch": {
    "l": 0.42872,
    "c": 0.15964,
    "h": 304.6
  },
  "luminance": 0.0688
}

Semantic roles & 50–950 ramp

primary

#642F94

secondary

#8DB867

accent

#DB4D90

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642F94

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

Preview Lab → · Contrast checker → · Palette generator →