#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
RGB	rgb(88, 75, 185)
HSL	hsl(247, 44%, 51%)
HSV	hsv(247, 59%, 73%)
CMYK	cmyk(52.4%, 59.5%, 0%, 27.5%)
CIE-LAB	lab(38.91, 35.26, -56.61)
CIE-LCH	lch(38.91, 66.70, 301.92°)
OKLab	oklab(48.8% 0.0395 -0.1622)
OKLCH	oklch(48.8% 0.167 283.7)
XYZ	xyz(15.2949, 10.6088, 47.1313)
Luminance	0.1061 (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

#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
##584BB9	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

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 →