#623B9B#623B9B

#623B9B is a dark, vivid violet. Relative luminance 0.081; OKLCH L 44.9% C 0.150 H 298.9°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX#623B9B
RGBrgb(98, 59, 155)
HSLhsl(264, 45%, 42%)
HSVhsv(264, 62%, 61%)
CMYKcmyk(36.8%, 61.9%, 0%, 39.2%)
CIE-LABlab(34.17, 38.12, -46.34)
CIE-LCHlch(34.17, 60.00, 309.44°)
OKLaboklab(44.88% 0.0727 -0.1316)
OKLCHoklch(44.88% 0.15 298.9)
XYZxyz(12.5159, 8.0910, 31.9063)
Luminance0.0809 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#623B9B #749B3B
analogous
#3B449B #623B9B #923B9B
triadic
#623B9B #9B623B #3B9B62
tetradic
#623B9B #9B3B44 #749B3B #3B9B92
square
#623B9B #9B3B44 #749B3B #3B9B92
split-complementary
#623B9B #9B923B #449B3B
monochromatic
#2A1942 #462A6F #623B9B #8055BE #A181CF

Accessibility & contrast

On white

8.02
#623B9B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#623B9B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #623B9B
8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##623B9B#FFFFFF#000000##FFFFFF
##623B9B1.008.022.628.02
#FFFFFF8.021.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00509E
Deuteranopia (green-blind)
#164F99
Tritanopia (blue-blind)
#555065
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #623b9b;
/* rgb */ color: rgb(98, 59, 155);
/* oklch */ color: oklch(44.9% 0.150 298.9);
Tailwind
colors: {
  custom: {
    50: '#9373b9',
    500: '#623b9b',
    950: '#000000',
  },
}
SCSS
$custom: #623b9b;
$custom-light: #9373b9;
$custom-dark: #000000;
JSON
{
  "hex": "#623b9b",
  "rgb": {
    "r": 98,
    "g": 59,
    "b": 155
  },
  "hsl": {
    "h": 264.375,
    "s": 44.86,
    "l": 41.961
  },
  "oklch": {
    "l": 0.44883,
    "c": 0.15041,
    "h": 298.9
  },
  "luminance": 0.08091
}

Semantic roles & 50–950 ramp

primary
#623B9B
secondary
#9FB979
accent
#D553A0
background
#F9F7FB
surface
#F2EDF6
border
#CCC8D0
text
#0D0811
muted
#7E7B80

Preview Lab

Preview with #623B9B

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

Preview Lab → · Contrast checker → · Palette generator →

#623B9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva