#583FD8#583FD8

#583FD8 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.5% C 0.220 H 282.2°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#583FD8
RGB	rgb(88, 63, 216)
HSL	hsl(250, 66%, 55%)
HSV	hsv(250, 71%, 85%)
CMYK	cmyk(59.3%, 70.8%, 0%, 15.3%)
CIE-LAB	lab(38.87, 51.62, -74.68)
CIE-LCH	lch(38.87, 90.79, 304.65°)
OKLab	oklab(49.55% 0.0467 -0.2152)
OKLCH	oklch(49.55% 0.22 282.2)
XYZ	xyz(18.1928, 10.5863, 66.0371)
Luminance	0.1059 (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

#583FD8 #BFD83F

analogous

#3F73D8 #583FD8 #A53FD8

triadic

#583FD8 #D8583F #3FD858

tetradic

#583FD8 #D83F73 #BFD83F #3FD8A5

square

#583FD8 #D83F73 #BFD83F #3FD8A5

split-complementary

#583FD8 #D8A53F #73D83F

monochromatic

#2B1A82 #3C25B5 #583FD8 #8472E2 #B0A5ED

Accessibility & contrast

On white

6.74

#583FD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#583FD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #583FD8

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583FD8	#FFFFFF	#000000	##FFFFFF
##583FD8	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DD

Deuteranopia (green-blind)

#0056D5

Tritanopia (blue-blind)

#006987

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #583fd8;
/* rgb */ color: rgb(88, 63, 216);
/* oklch */ color: oklch(49.5% 0.220 282.2);

Tailwind

colors: {
  custom: {
    50: '#9577e5',
    500: '#583fd8',
    950: '#000000',
  },
}

SCSS

$custom: #583fd8;
$custom-light: #9577e5;
$custom-dark: #000000;

JSON

{
  "hex": "#583fd8",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 216
  },
  "hsl": {
    "h": 249.804,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.4955,
    "c": 0.22022,
    "h": 282.2
  },
  "luminance": 0.10588
}

Semantic roles & 50–950 ramp

primary

#583FD8

secondary

#CFDA99

accent

#E93FCD

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #583FD8

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

Preview Lab → · Contrast checker → · Palette generator →