#583FD9#583FD9

#583FD9 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.6% C 0.221 H 282.1°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#583FD9
RGB	rgb(88, 63, 217)
HSL	hsl(250, 67%, 55%)
HSV	hsv(250, 71%, 85%)
CMYK	cmyk(59.4%, 71%, 0%, 14.9%)
CIE-LAB	lab(38.96, 51.92, -75.11)
CIE-LCH	lch(38.96, 91.31, 304.66°)
OKLab	oklab(49.64% 0.0465 -0.2165)
OKLCH	oklch(49.64% 0.221 282.1)
XYZ	xyz(18.3225, 10.6382, 66.7201)
Luminance	0.1064 (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

#583FD9 #C0D93F

analogous

#3F73D9 #583FD9 #A53FD9

triadic

#583FD9 #D9583F #3FD958

tetradic

#583FD9 #D93F73 #C0D93F #3FD9A5

square

#583FD9 #D93F73 #C0D93F #3FD9A5

split-complementary

#583FD9 #D9A53F #73D93F

monochromatic

#2B1A84 #3C24B7 #583FD9 #8472E3 #B1A5ED

Accessibility & contrast

On white

6.71

#583FD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#583FD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #583FD9

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583FD9	#FFFFFF	#000000	##FFFFFF
##583FD9	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DE

Deuteranopia (green-blind)

#0056D6

Tritanopia (blue-blind)

#006988

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #583fd9;
/* rgb */ color: rgb(88, 63, 217);
/* oklch */ color: oklch(49.6% 0.221 282.1);

Tailwind

colors: {
  custom: {
    50: '#9577e6',
    500: '#583fd9',
    950: '#000000',
  },
}

SCSS

$custom: #583fd9;
$custom-light: #9577e6;
$custom-dark: #000000;

JSON

{
  "hex": "#583fd9",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 217
  },
  "hsl": {
    "h": 249.74,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.49641,
    "c": 0.2214,
    "h": 282.1
  },
  "luminance": 0.10639
}

Semantic roles & 50–950 ramp

primary

#583FD9

secondary

#D0DA9A

accent

#EA3ECE

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #583FD9

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

Preview Lab → · Contrast checker → · Palette generator →