#584EFF#584EFF

#584EFF is a mid, highly saturated blue. Relative luminance 0.147; OKLCH L 55.2% C 0.251 H 276.8°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#584EFF
RGB	rgb(88, 78, 255)
HSL	hsl(243, 100%, 65%)
HSV	hsv(243, 69%, 100%)
CMYK	cmyk(65.5%, 69.4%, 0%, 0%)
CIE-LAB	lab(45.28, 55.34, -86.21)
CIE-LCH	lch(45.28, 102.45, 302.70°)
OKLab	oklab(55.18% 0.0297 -0.249)
OKLCH	oklch(55.18% 0.251 276.8)
XYZ	xyz(24.7930, 14.7413, 96.1272)
Luminance	0.1474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584EFF #F5FF4E

analogous

#4E9CFF #584EFF #B14EFF

triadic

#584EFF #FF584E #4EFF58

tetradic

#584EFF #FF4E9C #F5FF4E #4EFFB1

square

#584EFF #FF4E9C #F5FF4E #4EFFB1

split-complementary

#584EFF #FFB14E #9CFF4E

monochromatic

#0C00D3 #1E11FF #584EFF #928BFF #CBC8FF

Accessibility & contrast

On white

5.32

#584EFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#584EFF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584EFF

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584EFF	#FFFFFF	#000000	##FFFFFF
##584EFF	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073FF

Deuteranopia (green-blind)

#0063FC

Tritanopia (blue-blind)

#007FA1

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #584eff;
/* rgb */ color: rgb(88, 78, 255);
/* oklch */ color: oklch(55.2% 0.251 276.8);

Tailwind

colors: {
  custom: {
    50: '#9b81ff',
    500: '#584eff',
    950: '#000000',
  },
}

SCSS

$custom: #584eff;
$custom-light: #9b81ff;
$custom-dark: #000000;

JSON

{
  "hex": "#584eff",
  "rgb": {
    "r": 88,
    "g": 78,
    "b": 255
  },
  "hsl": {
    "h": 243.39,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.55179,
    "c": 0.25075,
    "h": 276.8
  },
  "luminance": 0.14743
}

Semantic roles & 50–950 ramp

primary

#584EFF

secondary

#EFF2B7

accent

#E600D9

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100A18

muted

#7F7C86

Preview Lab

Preview with #584EFF

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

Preview Lab → · Contrast checker → · Palette generator →