#584CB8#584CB8

#584CB8 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.9% C 0.164 H 283.5°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#584CB8
RGB	rgb(88, 76, 184)
HSL	hsl(247, 43%, 51%)
HSV	hsv(247, 59%, 72%)
CMYK	cmyk(52.2%, 58.7%, 0%, 27.8%)
CIE-LAB	lab(39.08, 34.34, -55.76)
CIE-LCH	lch(39.08, 65.49, 301.63°)
OKLab	oklab(48.9% 0.0385 -0.1596)
OKLCH	oklch(48.9% 0.164 283.5)
XYZ	xyz(15.2581, 10.7034, 46.6001)
Luminance	0.1070 (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

#584CB8 #ACB84C

analogous

#4C76B8 #584CB8 #8E4CB8

triadic

#584CB8 #B8584C #4CB858

tetradic

#584CB8 #B84C76 #ACB84C #4CB88E

square

#584CB8 #B84C76 #ACB84C #4CB88E

split-complementary

#584CB8 #B88E4C #76B84C

monochromatic

#2E2763 #42388E #584CB8 #8178C9 #AAA4DB

Accessibility & contrast

On white

6.69

#584CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#584CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584CB8

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584CB8	#FFFFFF	#000000	##FFFFFF
##584CB8	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBC

Deuteranopia (green-blind)

#0058B6

Tritanopia (blue-blind)

#31657A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #584cb8;
/* rgb */ color: rgb(88, 76, 184);
/* oklch */ color: oklch(48.9% 0.164 283.5);

Tailwind

colors: {
  custom: {
    50: '#8f7ece',
    500: '#584cb8',
    950: '#000000',
  },
}

SCSS

$custom: #584cb8;
$custom-light: #8f7ece;
$custom-dark: #000000;

JSON

{
  "hex": "#584cb8",
  "rgb": {
    "r": 88,
    "g": 76,
    "b": 184
  },
  "hsl": {
    "h": 246.667,
    "s": 43.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.48895,
    "c": 0.16421,
    "h": 283.5
  },
  "luminance": 0.10704
}

Semantic roles & 50–950 ramp

primary

#584CB8

secondary

#C3C898

accent

#D355C5

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #584CB8

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

Preview Lab → · Contrast checker → · Palette generator →