#491FBC#491FBC

#491FBC is a dark, highly saturated violet. Relative luminance 0.060; OKLCH L 41.8% C 0.219 H 283.8°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX#491FBC
RGBrgb(73, 31, 188)
HSLhsl(256, 72%, 43%)
HSVhsv(256, 84%, 74%)
CMYKcmyk(61.2%, 83.5%, 0%, 26.3%)
CIE-LABlab(29.48, 56.96, -73.89)
CIE-LCHlch(29.48, 93.29, 307.63°)
OKLaboklab(41.82% 0.0524 -0.213)
OKLCHoklch(41.82% 0.219 283.8)
XYZxyz(12.3119, 6.0264, 48.0816)
Luminance0.0603 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#491FBC #92BC1F
analogous
#1F43BC #491FBC #971FBC
triadic
#491FBC #BC491F #1FBC49
tetradic
#491FBC #BC1F43 #92BC1F #1FBC97
square
#491FBC #BC1F43 #92BC1F #1FBC97
split-complementary
#491FBC #BC971F #43BC1F
monochromatic
#200E53 #351687 #491FBC #663ADE #8F6EE7

Accessibility & contrast

On white

9.52
#491FBC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.21
#491FBC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491FBC
9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##491FBC#FFFFFF#000000##FFFFFF
##491FBC1.009.522.219.52
#FFFFFF9.521.0021.001.00
#0000002.2121.001.0021.00
##FFFFFF9.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004AC0
Deuteranopia (green-blind)
#0040B9
Tritanopia (blue-blind)
#005170
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #491fbc;
/* rgb */ color: rgb(73, 31, 188);
/* oklch */ color: oklch(41.8% 0.219 283.8);
Tailwind
colors: {
  custom: {
    50: '#8b63d2',
    500: '#491fbc',
    950: '#000000',
  },
}
SCSS
$custom: #491fbc;
$custom-light: #8b63d2;
$custom-dark: #000000;
JSON
{
  "hex": "#491fbc",
  "rgb": {
    "r": 73,
    "g": 31,
    "b": 188
  },
  "hsl": {
    "h": 256.051,
    "s": 71.689,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41819,
    "c": 0.21937,
    "h": 283.8
  },
  "luminance": 0.06027
}

Semantic roles & 50–950 ramp

primary
#491FBC
secondary
#B3CD69
accent
#EE39BE
background
#F9F6FD
surface
#F2EBFA
border
#CCC6D3
text
#0D0614
muted
#7E7A83

Preview Lab

Preview with #491FBC

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

Preview Lab → · Contrast checker → · Palette generator →

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