#583FDF#583FDF

#583FDF is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 50.2% C 0.228 H 281.4°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#583FDF
RGB	rgb(88, 63, 223)
HSL	hsl(249, 71%, 56%)
HSV	hsv(249, 72%, 87%)
CMYK	cmyk(60.5%, 71.7%, 0%, 12.5%)
CIE-LAB	lab(39.51, 53.70, -77.65)
CIE-LCH	lch(39.51, 94.41, 304.67°)
OKLab	oklab(50.19% 0.0453 -0.2239)
OKLCH	oklch(50.19% 0.228 281.4)
XYZ	xyz(19.1171, 10.9561, 70.9051)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583FDF #C6DF3F

analogous

#3F76DF #583FDF #A83FDF

triadic

#583FDF #DF583F #3FDF58

tetradic

#583FDF #DF3F76 #C6DF3F #3FDFA8

square

#583FDF #DF3F76 #C6DF3F #3FDFA8

split-complementary

#583FDF #DFA83F #76DF3F

monochromatic

#2A178C #3920C1 #583FDF #8673E8 #B3A8F0

Accessibility & contrast

On white

6.58

#583FDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#583FDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #583FDF

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583FDF	#FFFFFF	#000000	##FFFFFF
##583FDF	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E4

Deuteranopia (green-blind)

#0057DC

Tritanopia (blue-blind)

#006B8B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #583fdf;
/* rgb */ color: rgb(88, 63, 223);
/* oklch */ color: oklch(50.2% 0.228 281.4);

Tailwind

colors: {
  custom: {
    50: '#9677ea',
    500: '#583fdf',
    950: '#000000',
  },
}

SCSS

$custom: #583fdf;
$custom-light: #9677ea;
$custom-dark: #000000;

JSON

{
  "hex": "#583fdf",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 223
  },
  "hsl": {
    "h": 249.375,
    "s": 71.429,
    "l": 56.078
  },
  "oklch": {
    "l": 0.50191,
    "c": 0.22845,
    "h": 281.4
  },
  "luminance": 0.10957
}

Semantic roles & 50–950 ramp

primary

#583FDF

secondary

#D4DE9C

accent

#EE3AD2

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #583FDF

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

Preview Lab → · Contrast checker → · Palette generator →