#584BB5#584BB5

#584BB5 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.5% C 0.162 H 284.2°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#584BB5
RGB	rgb(88, 75, 181)
HSL	hsl(247, 42%, 50%)
HSV	hsv(247, 59%, 71%)
CMYK	cmyk(51.4%, 58.6%, 0%, 29%)
CIE-LAB	lab(38.62, 34.02, -54.73)
CIE-LCH	lch(38.62, 64.44, 301.87°)
OKLab	oklab(48.49% 0.0396 -0.1566)
OKLCH	oklch(48.49% 0.162 284.2)
XYZ	xyz(14.8786, 10.4423, 44.9387)
Luminance	0.1044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584BB5 #A8B54B

analogous

#4B73B5 #584BB5 #8D4BB5

triadic

#584BB5 #B5584B #4BB558

tetradic

#584BB5 #B54B73 #A8B54B #4BB58D

square

#584BB5 #B54B73 #A8B54B #4BB58D

split-complementary

#584BB5 #B58D4B #73B54B

monochromatic

#2E275F #43398A #584BB5 #8076C7 #A8A2D9

Accessibility & contrast

On white

6.80

#584BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#584BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584BB5

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584BB5	#FFFFFF	#000000	##FFFFFF
##584BB5	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB9

Deuteranopia (green-blind)

#0058B3

Tritanopia (blue-blind)

#346379

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #584bb5;
/* rgb */ color: rgb(88, 75, 181);
/* oklch */ color: oklch(48.5% 0.162 284.2);

Tailwind

colors: {
  custom: {
    50: '#8e7ecc',
    500: '#584bb5',
    950: '#000000',
  },
}

SCSS

$custom: #584bb5;
$custom-light: #8e7ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#584bb5",
  "rgb": {
    "r": 88,
    "g": 75,
    "b": 181
  },
  "hsl": {
    "h": 247.358,
    "s": 41.732,
    "l": 50.196
  },
  "oklch": {
    "l": 0.48494,
    "c": 0.16153,
    "h": 284.2
  },
  "luminance": 0.10443
}

Semantic roles & 50–950 ramp

primary

#584BB5

secondary

#C0C696

accent

#D256C2

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0A13

muted

#7E7C82

Preview Lab

Preview with #584BB5

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

Preview Lab → · Contrast checker → · Palette generator →