#584BB9#584BB9

#584BB9 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.8% C 0.167 H 283.7°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX#584BB9
RGBrgb(88, 75, 185)
HSLhsl(247, 44%, 51%)
HSVhsv(247, 59%, 73%)
CMYKcmyk(52.4%, 59.5%, 0%, 27.5%)
CIE-LABlab(38.91, 35.26, -56.61)
CIE-LCHlch(38.91, 66.70, 301.92°)
OKLaboklab(48.8% 0.0395 -0.1622)
OKLCHoklch(48.8% 0.167 283.7)
XYZxyz(15.2949, 10.6088, 47.1313)
Luminance0.1061 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#584BB9 #ACB94B
analogous
#4B75B9 #584BB9 #8F4BB9
triadic
#584BB9 #B9584B #4BB958
tetradic
#584BB9 #B94B75 #ACB94B #4BB98F
square
#584BB9 #B94B75 #ACB94B #4BB98F
split-complementary
#584BB9 #B98F4B #75B94B
monochromatic
#2E2763 #42388F #584BB9 #8177CA #AAA3DB

Accessibility & contrast

On white

6.73
#584BB9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#584BB9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584BB9
6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##584BB9#FFFFFF#000000##FFFFFF
##584BB91.006.733.126.73
#FFFFFF6.731.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FBD
Deuteranopia (green-blind)
#0058B7
Tritanopia (blue-blind)
#31657B
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #584bb9;
/* rgb */ color: rgb(88, 75, 185);
/* oklch */ color: oklch(48.8% 0.167 283.7);
Tailwind
colors: {
  custom: {
    50: '#8f7ecf',
    500: '#584bb9',
    950: '#000000',
  },
}
SCSS
$custom: #584bb9;
$custom-light: #8f7ecf;
$custom-dark: #000000;
JSON
{
  "hex": "#584bb9",
  "rgb": {
    "r": 88,
    "g": 75,
    "b": 185
  },
  "hsl": {
    "h": 247.091,
    "s": 44,
    "l": 50.98
  },
  "oklch": {
    "l": 0.48798,
    "c": 0.1669,
    "h": 283.7
  },
  "luminance": 0.1061
}

Semantic roles & 50–950 ramp

primary
#584BB9
secondary
#C3C898
accent
#D454C5
background
#F9F7FC
surface
#F2EEF9
border
#CCC9D2
text
#0D0A14
muted
#7E7C82

Preview Lab

Preview with #584BB9

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

Preview Lab → · Contrast checker → · Palette generator →

#584BB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva