#584CDB#584CDB

#584CDB is a mid, highly saturated blue. Relative luminance 0.124; OKLCH L 51.7% C 0.209 H 279.9°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#584CDB
RGB	rgb(88, 76, 219)
HSL	hsl(245, 67%, 58%)
HSV	hsv(245, 65%, 86%)
CMYK	cmyk(59.8%, 65.3%, 0%, 14.1%)
CIE-LAB	lab(41.78, 45.30, -71.64)
CIE-LCH	lch(41.78, 84.77, 302.31°)
OKLab	oklab(51.71% 0.0361 -0.2063)
OKLCH	oklch(51.71% 0.209 279.9)
XYZ	xyz(19.3911, 12.3567, 68.3673)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584CDB #CFDB4C

analogous

#4C87DB #584CDB #9F4CDB

triadic

#584CDB #DB584C #4CDB58

tetradic

#584CDB #DB4C87 #CFDB4C #4CDB9F

square

#584CDB #DB4C87 #CFDB4C #4CDB9F

split-complementary

#584CDB #DB9F4C #87DB4C

monochromatic

#271D90 #3427C3 #584CDB #887FE5 #B7B2EF

Accessibility & contrast

On white

6.05

#584CDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#584CDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584CDB

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584CDB	#FFFFFF	#000000	##FFFFFF
##584CDB	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068DF

Deuteranopia (green-blind)

#005DD8

Tritanopia (blue-blind)

#00718D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #584cdb;
/* rgb */ color: rgb(88, 76, 219);
/* oklch */ color: oklch(51.7% 0.209 279.9);

Tailwind

colors: {
  custom: {
    50: '#947fe7',
    500: '#584cdb',
    950: '#000000',
  },
}

SCSS

$custom: #584cdb;
$custom-light: #947fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#584cdb",
  "rgb": {
    "r": 88,
    "g": 76,
    "b": 219
  },
  "hsl": {
    "h": 245.035,
    "s": 66.512,
    "l": 57.843
  },
  "oklch": {
    "l": 0.51714,
    "c": 0.20945,
    "h": 279.9
  },
  "luminance": 0.12358
}

Semantic roles & 50–950 ramp

primary

#584CDB

secondary

#D9DEA5

accent

#E93EDB

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #584CDB

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

Preview Lab → · Contrast checker → · Palette generator →