#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
RGB	rgb(88, 76, 181)
HSL	hsl(247, 42%, 50%)
HSV	hsv(247, 58%, 71%)
CMYK	cmyk(51.4%, 58%, 0%, 29%)
CIE-LAB	lab(38.86, 33.41, -54.34)
CIE-LCH	lch(38.86, 63.79, 301.58°)
OKLab	oklab(48.67% 0.0385 -0.1555)
OKLCH	oklch(48.67% 0.16 283.9)
XYZ	xyz(14.9469, 10.5790, 44.9615)
Luminance	0.1058 (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

#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
##584CB5	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

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 →