#584FC9#584FC9

#584FC9 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.7% C 0.183 H 281.0°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#584FC9
RGB	rgb(88, 79, 201)
HSL	hsl(244, 53%, 55%)
HSV	hsv(244, 61%, 79%)
CMYK	cmyk(56.2%, 60.7%, 0%, 21.2%)
CIE-LAB	lab(41.03, 37.87, -62.51)
CIE-LCH	lch(41.03, 73.09, 301.21°)
OKLab	oklab(50.73% 0.0348 -0.1795)
OKLCH	oklch(50.73% 0.183 281)
XYZ	xyz(17.3598, 11.8826, 56.6258)
Luminance	0.1188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584FC9 #C0C94F

analogous

#4F83C9 #584FC9 #954FC9

triadic

#584FC9 #C9584F #4FC958

tetradic

#584FC9 #C94F83 #C0C94F #4FC995

square

#584FC9 #C94F83 #C0C94F #4FC995

split-complementary

#584FC9 #C9954F #83C94F

monochromatic

#2B2579 #3C33A7 #584FC9 #847ED7 #B1ADE6

Accessibility & contrast

On white

6.22

#584FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#584FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584FC9

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584FC9	#FFFFFF	#000000	##FFFFFF
##584FC9	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CD

Deuteranopia (green-blind)

#005CC7

Tritanopia (blue-blind)

#1D6C84

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #584fc9;
/* rgb */ color: rgb(88, 79, 201);
/* oklch */ color: oklch(50.7% 0.183 281.0);

Tailwind

colors: {
  custom: {
    50: '#9181da',
    500: '#584fc9',
    950: '#000000',
  },
}

SCSS

$custom: #584fc9;
$custom-light: #9181da;
$custom-dark: #000000;

JSON

{
  "hex": "#584fc9",
  "rgb": {
    "r": 88,
    "g": 79,
    "b": 201
  },
  "hsl": {
    "h": 244.426,
    "s": 53.043,
    "l": 54.902
  },
  "oklch": {
    "l": 0.50726,
    "c": 0.18283,
    "h": 281
  },
  "luminance": 0.11884
}

Semantic roles & 50–950 ramp

primary

#584FC9

secondary

#D0D4A0

accent

#DC4BD2

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #584FC9

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

Preview Lab → · Contrast checker → · Palette generator →