#584CB5#584CB5

#584CB5 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.7% C 0.160 H 283.9°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#584CB5
RGBrgb(88, 76, 181)
HSLhsl(247, 42%, 50%)
HSVhsv(247, 58%, 71%)
CMYKcmyk(51.4%, 58%, 0%, 29%)
CIE-LABlab(38.86, 33.41, -54.34)
CIE-LCHlch(38.86, 63.79, 301.58°)
OKLaboklab(48.67% 0.0385 -0.1555)
OKLCHoklch(48.67% 0.16 283.9)
XYZxyz(14.9469, 10.5790, 44.9615)
Luminance0.1058 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#584CB5 #A9B54C
analogous
#4C74B5 #584CB5 #8C4CB5
triadic
#584CB5 #B5584C #4CB558
tetradic
#584CB5 #B54C74 #A9B54C #4CB58C
square
#584CB5 #B54C74 #A9B54C #4CB58C
split-complementary
#584CB5 #B58C4C #74B54C
monochromatic
#2E275F #43398B #584CB5 #8077C7 #A9A3D9

Accessibility & contrast

On white

6.74
#584CB5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#584CB5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584CB5
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##584CB5#FFFFFF#000000##FFFFFF
##584CB51.006.743.126.74
#FFFFFF6.741.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FB9
Deuteranopia (green-blind)
#0058B3
Tritanopia (blue-blind)
#346479
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #584cb5;
/* rgb */ color: rgb(88, 76, 181);
/* oklch */ color: oklch(48.7% 0.160 283.9);
Tailwind
colors: {
  custom: {
    50: '#8e7ecc',
    500: '#584cb5',
    950: '#000000',
  },
}
SCSS
$custom: #584cb5;
$custom-light: #8e7ecc;
$custom-dark: #000000;
JSON
{
  "hex": "#584cb5",
  "rgb": {
    "r": 88,
    "g": 76,
    "b": 181
  },
  "hsl": {
    "h": 246.857,
    "s": 41.502,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48669,
    "c": 0.16017,
    "h": 283.9
  },
  "luminance": 0.1058
}

Semantic roles & 50–950 ramp

primary
#584CB5
secondary
#C0C697
accent
#D156C3
background
#F9F7FC
surface
#F1EEF9
border
#CBC9D2
text
#0D0A13
muted
#7E7C82

Preview Lab

Preview with #584CB5

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

Preview Lab → · Contrast checker → · Palette generator →

#584CB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva