#584DCB#584DCB

#584DCB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.6% C 0.188 H 281.2°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#584DCB
RGB	rgb(88, 77, 203)
HSL	hsl(245, 55%, 55%)
HSV	hsv(245, 62%, 80%)
CMYK	cmyk(56.7%, 62.1%, 0%, 20.4%)
CIE-LAB	lab(40.72, 39.70, -64.16)
CIE-LCH	lch(40.72, 75.45, 301.75°)
OKLab	oklab(50.55% 0.0366 -0.1844)
OKLCH	oklch(50.55% 0.188 281.2)
XYZ	xyz(17.4545, 11.6931, 57.8256)
Luminance	0.1169 (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

#584DCB #C0CB4D

analogous

#4D81CB #584DCB #974DCB

triadic

#584DCB #CB584D #4DCB58

tetradic

#584DCB #CB4D81 #C0CB4D #4DCB97

square

#584DCB #CB4D81 #C0CB4D #4DCB97

split-complementary

#584DCB #CB974D #81CB4D

monochromatic

#2B247A #3C31A9 #584DCB #847CD9 #B1ACE7

Accessibility & contrast

On white

6.29

#584DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#584DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584DCB

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584DCB	#FFFFFF	#000000	##FFFFFF
##584DCB	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CF

Deuteranopia (green-blind)

#005BC8

Tritanopia (blue-blind)

#1A6C85

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #584dcb;
/* rgb */ color: rgb(88, 77, 203);
/* oklch */ color: oklch(50.6% 0.188 281.2);

Tailwind

colors: {
  custom: {
    50: '#927fdc',
    500: '#584dcb',
    950: '#000000',
  },
}

SCSS

$custom: #584dcb;
$custom-light: #927fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#584dcb",
  "rgb": {
    "r": 88,
    "g": 77,
    "b": 203
  },
  "hsl": {
    "h": 245.238,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.50551,
    "c": 0.18795,
    "h": 281.2
  },
  "luminance": 0.11694
}

Semantic roles & 50–950 ramp

primary

#584DCB

secondary

#D0D49F

accent

#DE4AD1

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #584DCB

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

Preview Lab → · Contrast checker → · Palette generator →