#584BBB#584BBB

#584BBB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 49.0% C 0.170 H 283.4°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#584BBB
RGBrgb(88, 75, 187)
HSLhsl(247, 45%, 51%)
HSVhsv(247, 60%, 73%)
CMYKcmyk(52.9%, 59.9%, 0%, 26.7%)
CIE-LABlab(39.06, 35.89, -57.55)
CIE-LCHlch(39.06, 67.82, 301.95°)
OKLaboklab(48.95% 0.0394 -0.1649)
OKLCHoklch(48.95% 0.17 283.4)
XYZxyz(15.5075, 10.6939, 48.2511)
Luminance0.1070 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#584BBB #AEBB4B
analogous
#4B76BB #584BBB #904BBB
triadic
#584BBB #BB584B #4BBB58
tetradic
#584BBB #BB4B76 #AEBB4B #4BBB90
square
#584BBB #BB4B76 #AEBB4B #4BBB90
split-complementary
#584BBB #BB904B #76BB4B
monochromatic
#2E2665 #423792 #584BBB #8177CC #AAA4DD

Accessibility & contrast

On white

6.69
#584BBB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#584BBB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584BBB
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##584BBB#FFFFFF#000000##FFFFFF
##584BBB1.006.693.146.69
#FFFFFF6.691.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0060BF
Deuteranopia (green-blind)
#0058B9
Tritanopia (blue-blind)
#2F657C
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #584bbb;
/* rgb */ color: rgb(88, 75, 187);
/* oklch */ color: oklch(49.0% 0.170 283.4);
Tailwind
colors: {
  custom: {
    50: '#8f7ed0',
    500: '#584bbb',
    950: '#000000',
  },
}
SCSS
$custom: #584bbb;
$custom-light: #8f7ed0;
$custom-dark: #000000;
JSON
{
  "hex": "#584bbb",
  "rgb": {
    "r": 88,
    "g": 75,
    "b": 187
  },
  "hsl": {
    "h": 246.964,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48952,
    "c": 0.16956,
    "h": 283.4
  },
  "luminance": 0.10695
}

Semantic roles & 50–950 ramp

primary
#584BBB
secondary
#C4CA98
accent
#D553C6
background
#F9F7FC
surface
#F2EEF9
border
#CCC9D2
text
#0D0A14
muted
#7E7C82

Preview Lab

Preview with #584BBB

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

Preview Lab → · Contrast checker → · Palette generator →

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