#584FE3#584FE3

#584FE3 is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.9% C 0.216 H 278.7°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#584FE3
RGB	rgb(88, 79, 227)
HSL	hsl(244, 73%, 60%)
HSV	hsv(244, 65%, 89%)
CMYK	cmyk(61.2%, 65.2%, 0%, 11%)
CIE-LAB	lab(43.08, 46.08, -74.07)
CIE-LCH	lch(43.08, 87.24, 301.89°)
OKLab	oklab(52.86% 0.0328 -0.2134)
OKLCH	oklch(52.86% 0.216 278.7)
XYZ	xyz(20.6812, 13.2111, 74.1183)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584FE3 #DAE34F

analogous

#4F90E3 #584FE3 #A24FE3

triadic

#584FE3 #E3584F #4FE358

tetradic

#584FE3 #E34F90 #DAE34F #4FE3A2

square

#584FE3 #E34F90 #DAE34F #4FE3A2

split-complementary

#584FE3 #E3A24F #90E34F

monochromatic

#21199E #2C22D3 #584FE3 #8A84EB #BCB9F4

Accessibility & contrast

On white

5.77

#584FE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#584FE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584FE3

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584FE3	#FFFFFF	#000000	##FFFFFF
##584FE3	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE8

Deuteranopia (green-blind)

#0060E0

Tritanopia (blue-blind)

#007592

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #584fe3;
/* rgb */ color: rgb(88, 79, 227);
/* oklch */ color: oklch(52.9% 0.216 278.7);

Tailwind

colors: {
  custom: {
    50: '#9581ed',
    500: '#584fe3',
    950: '#000000',
  },
}

SCSS

$custom: #584fe3;
$custom-light: #9581ed;
$custom-dark: #000000;

JSON

{
  "hex": "#584fe3",
  "rgb": {
    "r": 88,
    "g": 79,
    "b": 227
  },
  "hsl": {
    "h": 243.649,
    "s": 72.549,
    "l": 60
  },
  "oklch": {
    "l": 0.52861,
    "c": 0.21594,
    "h": 278.7
  },
  "luminance": 0.13213
}

Semantic roles & 50–950 ramp

primary

#584FE3

secondary

#E0E3AA

accent

#EF39E4

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0A16

muted

#7E7C84

Preview Lab

Preview with #584FE3

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

Preview Lab → · Contrast checker → · Palette generator →