#584FDD#584FDD

#584FDD is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.4% C 0.208 H 279.2°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#584FDD
RGB	rgb(88, 79, 221)
HSL	hsl(244, 68%, 59%)
HSV	hsv(244, 64%, 87%)
CMYK	cmyk(60.2%, 64.3%, 0%, 13.3%)
CIE-LAB	lab(42.59, 44.19, -71.46)
CIE-LCH	lch(42.59, 84.02, 301.73°)
OKLab	oklab(52.35% 0.0334 -0.2058)
OKLCH	oklch(52.35% 0.208 279.2)
XYZ	xyz(19.8675, 12.8857, 69.8328)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584FDD #D4DD4F

analogous

#4F8DDD #584FDD #9F4FDD

triadic

#584FDD #DD584F #4FDD58

tetradic

#584FDD #DD4F8D #D4DD4F #4FDD9F

square

#584FDD #DD4F8D #D4DD4F #4FDD9F

split-complementary

#584FDD #DD9F4F #8DDD4F

monochromatic

#241D95 #3127C8 #584FDD #8982E7 #B9B6F1

Accessibility & contrast

On white

5.87

#584FDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#584FDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584FDD

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584FDD	#FFFFFF	#000000	##FFFFFF
##584FDD	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE1

Deuteranopia (green-blind)

#005FDA

Tritanopia (blue-blind)

#00738F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #584fdd;
/* rgb */ color: rgb(88, 79, 221);
/* oklch */ color: oklch(52.4% 0.208 279.2);

Tailwind

colors: {
  custom: {
    50: '#9481e9',
    500: '#584fdd',
    950: '#000000',
  },
}

SCSS

$custom: #584fdd;
$custom-light: #9481e9;
$custom-dark: #000000;

JSON

{
  "hex": "#584fdd",
  "rgb": {
    "r": 88,
    "g": 79,
    "b": 221
  },
  "hsl": {
    "h": 243.803,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52354,
    "c": 0.20846,
    "h": 279.2
  },
  "luminance": 0.12887
}

Semantic roles & 50–950 ramp

primary

#584FDD

secondary

#DCE0A8

accent

#EA3DE0

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #584FDD

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

Preview Lab → · Contrast checker → · Palette generator →