#642FAD#642FAD

#642FAD is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.9% C 0.188 H 297.4°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX#642FAD
RGBrgb(100, 47, 173)
HSLhsl(265, 57%, 43%)
HSVhsv(265, 73%, 68%)
CMYKcmyk(42.2%, 72.8%, 0%, 32.2%)
CIE-LABlab(33.48, 49.62, -58.29)
CIE-LCHlch(33.48, 76.55, 310.40°)
OKLaboklab(44.87% 0.0864 -0.1667)
OKLCHoklch(44.87% 0.188 297.4)
XYZxyz(13.8129, 7.7592, 40.2970)
Luminance0.0776 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#642FAD #78AD2F
analogous
#2F39AD #642FAD #A32FAD
triadic
#642FAD #AD642F #2FAD64
tetradic
#642FAD #AD2F39 #78AD2F #2FADA3
square
#642FAD #AD2F39 #78AD2F #2FADA3
split-complementary
#642FAD #ADA32F #39AD2F
monochromatic
#2C154D #48227D #642FAD #824BCE #A47BDB

Accessibility & contrast

On white

8.23
#642FAD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.55
#642FAD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642FAD
8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##642FAD#FFFFFF#000000##FFFFFF
##642FAD1.008.232.558.23
#FFFFFF8.231.0021.001.00
#0000002.5521.001.0021.00
##FFFFFF8.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004FB1
Deuteranopia (green-blind)
#004DAA
Tritanopia (blue-blind)
#514F6B
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #642fad;
/* rgb */ color: rgb(100, 47, 173);
/* oklch */ color: oklch(44.9% 0.188 297.4);
Tailwind
colors: {
  custom: {
    50: '#976cc6',
    500: '#642fad',
    950: '#000000',
  },
}
SCSS
$custom: #642fad;
$custom-light: #976cc6;
$custom-dark: #000000;
JSON
{
  "hex": "#642fad",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 173
  },
  "hsl": {
    "h": 265.238,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.44866,
    "c": 0.18773,
    "h": 297.4
  },
  "luminance": 0.07759
}

Semantic roles & 50–950 ramp

primary
#642FAD
secondary
#A2C474
accent
#E147A0
background
#F9F6FC
surface
#F2ECF8
border
#CCC7D1
text
#0E0713
muted
#7E7A82

Preview Lab

Preview with #642FAD

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

Preview Lab → · Contrast checker → · Palette generator →

#642FAD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva