#583DFF#583DFF

#583DFF is a mid, highly saturated blue. Relative luminance 0.126; OKLCH L 53.0% C 0.267 H 278.5°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#583DFF
RGB	rgb(88, 61, 255)
HSL	hsl(248, 100%, 62%)
HSV	hsv(248, 76%, 100%)
CMYK	cmyk(65.5%, 76.1%, 0%, 0%)
CIE-LAB	lab(42.20, 64.01, -91.28)
CIE-LCH	lch(42.20, 111.49, 305.04°)
OKLab	oklab(53% 0.0393 -0.2637)
OKLCH	oklch(53% 0.267 278.5)
XYZ	xyz(23.7374, 12.6302, 95.7753)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583DFF #E4FF3D

analogous

#3D83FF #583DFF #B93DFF

triadic

#583DFF #FF583D #3DFF58

tetradic

#583DFF #FF3D83 #E4FF3D #3DFFB9

square

#583DFF #FF3D83 #E4FF3D #3DFFB9

split-complementary

#583DFF #FFB93D #83FF3D

monochromatic

#1B00C2 #2300FF #583DFF #8D7AFF #C1B7FF

Accessibility & contrast

On white

5.96

#583DFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#583DFF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #583DFF

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583DFF	#FFFFFF	#000000	##FFFFFF
##583DFF	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BFF

Deuteranopia (green-blind)

#005CFC

Tritanopia (blue-blind)

#00779D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #583dff;
/* rgb */ color: rgb(88, 61, 255);
/* oklch */ color: oklch(53.0% 0.267 278.5);

Tailwind

colors: {
  custom: {
    50: '#9c77ff',
    500: '#583dff',
    950: '#000000',
  },
}

SCSS

$custom: #583dff;
$custom-light: #9c77ff;
$custom-dark: #000000;

JSON

{
  "hex": "#583dff",
  "rgb": {
    "r": 88,
    "g": 61,
    "b": 255
  },
  "hsl": {
    "h": 248.351,
    "s": 100,
    "l": 61.961
  },
  "oklch": {
    "l": 0.53001,
    "c": 0.26657,
    "h": 278.5
  },
  "luminance": 0.12632
}

Semantic roles & 50–950 ramp

primary

#583DFF

secondary

#E6F0A8

accent

#E600C6

background

#FAF7FF

surface

#F4EDFF

border

#CEC8D7

text

#100918

muted

#7F7B86

Preview Lab

Preview with #583DFF

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

Preview Lab → · Contrast checker → · Palette generator →