#583EE3#583EE3

#583EE3 is a mid, highly saturated blue. Relative luminance 0.111; OKLCH L 50.4% C 0.234 H 281.1°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#583EE3
RGB	rgb(88, 62, 227)
HSL	hsl(249, 75%, 57%)
HSV	hsv(249, 73%, 89%)
CMYK	cmyk(61.2%, 72.7%, 0%, 11%)
CIE-LAB	lab(39.69, 55.40, -79.64)
CIE-LCH	lch(39.69, 97.01, 304.82°)
OKLab	oklab(50.43% 0.0452 -0.2297)
OKLCH	oklch(50.43% 0.234 281.1)
XYZ	xyz(19.6079, 11.0646, 73.7606)
Luminance	0.1107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583EE3 #C9E33E

analogous

#3E76E3 #583EE3 #AB3EE3

triadic

#583EE3 #E3583E #3EE358

tetradic

#583EE3 #E33E76 #C9E33E #3EE3AB

square

#583EE3 #E33E76 #C9E33E #3EE3AB

split-complementary

#583EE3 #E3AB3E #76E33E

monochromatic

#291591 #381DC7 #583EE3 #8673EB #B4A9F3

Accessibility & contrast

On white

6.54

#583EE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#583EE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #583EE3

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583EE3	#FFFFFF	#000000	##FFFFFF
##583EE3	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E8

Deuteranopia (green-blind)

#0057E0

Tritanopia (blue-blind)

#006C8D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #583ee3;
/* rgb */ color: rgb(88, 62, 227);
/* oklch */ color: oklch(50.4% 0.234 281.1);

Tailwind

colors: {
  custom: {
    50: '#9776ed',
    500: '#583ee3',
    950: '#000000',
  },
}

SCSS

$custom: #583ee3;
$custom-light: #9776ed;
$custom-dark: #000000;

JSON

{
  "hex": "#583ee3",
  "rgb": {
    "r": 88,
    "g": 62,
    "b": 227
  },
  "hsl": {
    "h": 249.455,
    "s": 74.661,
    "l": 56.667
  },
  "oklch": {
    "l": 0.50431,
    "c": 0.23409,
    "h": 281.1
  },
  "luminance": 0.11066
}

Semantic roles & 50–950 ramp

primary

#583EE3

secondary

#D6E09D

accent

#F137D4

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #583EE3

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

Preview Lab → · Contrast checker → · Palette generator →