#642F82#642F82

#642F82 is a dark, vivid violet. Relative luminance 0.064; OKLCH L 41.6% C 0.139 H 311.2°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#642F82
RGB	rgb(100, 47, 130)
HSL	hsl(278, 47%, 35%)
HSV	hsv(278, 64%, 51%)
CMYK	cmyk(23.1%, 63.8%, 0%, 49%)
CIE-LAB	lab(30.29, 38.86, -37.19)
CIE-LCH	lch(30.29, 53.79, 316.26°)
OKLab	oklab(41.58% 0.0918 -0.1047)
OKLCH	oklch(41.58% 0.139 311.2)
XYZ	xyz(10.3006, 6.3543, 21.7986)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F82 #4D822F

analogous

#3A2F82 #642F82 #822F77

triadic

#642F82 #82642F #2F8264

tetradic

#642F82 #823A2F #4D822F #2F7782

square

#642F82 #823A2F #4D822F #2F7782

split-complementary

#642F82 #77822F #2F823A

monochromatic

#1F0E28 #411F55 #642F82 #873FAF #A364C7

Accessibility & contrast

On white

9.25

#642F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#642F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F82

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F82	#FFFFFF	#000000	##FFFFFF
##642F82	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4585

Deuteranopia (green-blind)

#274880

Tritanopia (blue-blind)

#603F54

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #642f82;
/* rgb */ color: rgb(100, 47, 130);
/* oklch */ color: oklch(41.6% 0.139 311.2);

Tailwind

colors: {
  custom: {
    50: '#936ba7',
    500: '#642f82',
    950: '#000000',
  },
}

SCSS

$custom: #642f82;
$custom-light: #936ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#642f82",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 130
  },
  "hsl": {
    "h": 278.313,
    "s": 46.893,
    "l": 34.706
  },
  "oklch": {
    "l": 0.41578,
    "c": 0.13922,
    "h": 311.2
  },
  "luminance": 0.06354
}

Semantic roles & 50–950 ramp

primary

#642F82

secondary

#7BAE5F

accent

#D75181

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D070F

muted

#7E7A7F

Preview Lab

Preview with #642F82

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

Preview Lab → · Contrast checker → · Palette generator →