#583FDA#583FDA

#583FDA is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.7% C 0.223 H 282.0°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#583FDA
RGB	rgb(88, 63, 218)
HSL	hsl(250, 68%, 55%)
HSV	hsv(250, 71%, 85%)
CMYK	cmyk(59.6%, 71.1%, 0%, 14.5%)
CIE-LAB	lab(39.05, 52.22, -75.53)
CIE-LCH	lch(39.05, 91.83, 304.66°)
OKLab	oklab(49.73% 0.0463 -0.2177)
OKLCH	oklch(49.73% 0.223 282)
XYZ	xyz(18.4529, 10.6904, 67.4071)
Luminance	0.1069 (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

#583FDA #C1DA3F

analogous

#3F74DA #583FDA #A53FDA

triadic

#583FDA #DA583F #3FDA58

tetradic

#583FDA #DA3F74 #C1DA3F #3FDAA5

square

#583FDA #DA3F74 #C1DA3F #3FDAA5

split-complementary

#583FDA #DAA53F #74DA3F

monochromatic

#2B1A85 #3C24B8 #583FDA #8572E4 #B1A6EE

Accessibility & contrast

On white

6.69

#583FDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#583FDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #583FDA

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583FDA	#FFFFFF	#000000	##FFFFFF
##583FDA	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DF

Deuteranopia (green-blind)

#0056D7

Tritanopia (blue-blind)

#006988

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #583fda;
/* rgb */ color: rgb(88, 63, 218);
/* oklch */ color: oklch(49.7% 0.223 282.0);

Tailwind

colors: {
  custom: {
    50: '#9577e7',
    500: '#583fda',
    950: '#000000',
  },
}

SCSS

$custom: #583fda;
$custom-light: #9577e7;
$custom-dark: #000000;

JSON

{
  "hex": "#583fda",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 218
  },
  "hsl": {
    "h": 249.677,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.49732,
    "c": 0.22258,
    "h": 282
  },
  "luminance": 0.10692
}

Semantic roles & 50–950 ramp

primary

#583FDA

secondary

#D0DB9A

accent

#EB3DCF

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #583FDA

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

Preview Lab → · Contrast checker → · Palette generator →