#584CDB#584CDB

#584CDB is a mid, highly saturated blue. Relative luminance 0.124; OKLCH L 51.7% C 0.209 H 279.9°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX#584CDB
RGBrgb(88, 76, 219)
HSLhsl(245, 67%, 58%)
HSVhsv(245, 65%, 86%)
CMYKcmyk(59.8%, 65.3%, 0%, 14.1%)
CIE-LABlab(41.78, 45.30, -71.64)
CIE-LCHlch(41.78, 84.77, 302.31°)
OKLaboklab(51.71% 0.0361 -0.2063)
OKLCHoklch(51.71% 0.209 279.9)
XYZxyz(19.3911, 12.3567, 68.3673)
Luminance0.1236 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#584CDB #CFDB4C
analogous
#4C87DB #584CDB #9F4CDB
triadic
#584CDB #DB584C #4CDB58
tetradic
#584CDB #DB4C87 #CFDB4C #4CDB9F
square
#584CDB #DB4C87 #CFDB4C #4CDB9F
split-complementary
#584CDB #DB9F4C #87DB4C
monochromatic
#271D90 #3427C3 #584CDB #887FE5 #B7B2EF

Accessibility & contrast

On white

6.05
#584CDB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.47
#584CDB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584CDB
6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##584CDB#FFFFFF#000000##FFFFFF
##584CDB1.006.053.476.05
#FFFFFF6.051.0021.001.00
#0000003.4721.001.0021.00
##FFFFFF6.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0068DF
Deuteranopia (green-blind)
#005DD8
Tritanopia (blue-blind)
#00718D
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #584cdb;
/* rgb */ color: rgb(88, 76, 219);
/* oklch */ color: oklch(51.7% 0.209 279.9);
Tailwind
colors: {
  custom: {
    50: '#947fe7',
    500: '#584cdb',
    950: '#000000',
  },
}
SCSS
$custom: #584cdb;
$custom-light: #947fe7;
$custom-dark: #000000;
JSON
{
  "hex": "#584cdb",
  "rgb": {
    "r": 88,
    "g": 76,
    "b": 219
  },
  "hsl": {
    "h": 245.035,
    "s": 66.512,
    "l": 57.843
  },
  "oklch": {
    "l": 0.51714,
    "c": 0.20945,
    "h": 279.9
  },
  "luminance": 0.12358
}

Semantic roles & 50–950 ramp

primary
#584CDB
secondary
#D9DEA5
accent
#E93EDB
background
#F9F7FE
surface
#F2EEFD
border
#CCC9D5
text
#0E0A16
muted
#7E7C84

Preview Lab

Preview with #584CDB

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

Preview Lab → · Contrast checker → · Palette generator →

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