#491DA8#491DA8

#491DA8 is a dark, vivid violet. Relative luminance 0.051; OKLCH L 39.5% C 0.199 H 287.7°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX#491DA8
RGBrgb(73, 29, 168)
HSLhsl(259, 71%, 39%)
HSVhsv(259, 83%, 66%)
CMYKcmyk(56.5%, 82.7%, 0%, 34.1%)
CIE-LABlab(27.08, 52.33, -65.90)
CIE-LCHlch(27.08, 84.15, 308.45°)
OKLaboklab(39.54% 0.0605 -0.1897)
OKLCHoklch(39.54% 0.199 287.7)
XYZxyz(10.2528, 5.1218, 37.4866)
Luminance0.0512 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#491DA8 #7CA81D
analogous
#1D36A8 #491DA8 #8E1DA8
triadic
#491DA8 #A8491D #1DA849
tetradic
#491DA8 #A81D36 #7CA81D #1DA88E
square
#491DA8 #A81D36 #7CA81D #1DA88E
split-complementary
#491DA8 #A88E1D #36A81D
monochromatic
#1C0B40 #321474 #491DA8 #6128DA #875CE3

Accessibility & contrast

On white

10.37
#491DA8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.02
#491DA8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491DA8
10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##491DA8#FFFFFF#000000##FFFFFF
##491DA81.0010.372.0210.37
#FFFFFF10.371.0021.001.00
#0000002.0221.001.0021.00
##FFFFFF10.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0043AC
Deuteranopia (green-blind)
#003CA6
Tritanopia (blue-blind)
#1E4864
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #491da8;
/* rgb */ color: rgb(73, 29, 168);
/* oklch */ color: oklch(39.5% 0.199 287.7);
Tailwind
colors: {
  custom: {
    50: '#8760c3',
    500: '#491da8',
    950: '#000000',
  },
}
SCSS
$custom: #491da8;
$custom-light: #8760c3;
$custom-dark: #000000;
JSON
{
  "hex": "#491da8",
  "rgb": {
    "r": 73,
    "g": 29,
    "b": 168
  },
  "hsl": {
    "h": 258.993,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39539,
    "c": 0.19914,
    "h": 287.7
  },
  "luminance": 0.05122
}

Semantic roles & 50–950 ramp

primary
#491DA8
secondary
#A4C75A
accent
#ED3AB5
background
#F8F5FC
surface
#F0EAF8
border
#CBC6D1
text
#0D0513
muted
#7D7982

Preview Lab

Preview with #491DA8

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

Preview Lab → · Contrast checker → · Palette generator →

#491DA8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva