#583DEE#583DEE

#583DEE is a mid, highly saturated blue. Relative luminance 0.116; OKLCH L 51.3% C 0.248 H 280.1°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#583DEE
RGB	rgb(88, 61, 238)
HSL	hsl(249, 84%, 59%)
HSV	hsv(249, 74%, 93%)
CMYK	cmyk(63%, 74.4%, 0%, 6.7%)
CIE-LAB	lab(40.55, 59.12, -84.46)
CIE-LCH	lch(40.55, 103.10, 304.99°)
OKLab	oklab(51.35% 0.0433 -0.2438)
OKLCH	oklch(51.35% 0.248 280.1)
XYZ	xyz(21.1210, 11.5836, 81.9952)
Luminance	0.1158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583DEE #D3EE3D

analogous

#3D7AEE #583DEE #B13DEE

triadic

#583DEE #EE583D #3DEE58

tetradic

#583DEE #EE3D7A #D3EE3D #3DEEB1

square

#583DEE #EE3D7A #D3EE3D #3DEEB1

split-complementary

#583DEE #EEB13D #7AEE3D

monochromatic

#250EA2 #3213DB #583DEE #8875F3 #B9AEF8

Accessibility & contrast

On white

6.33

#583DEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#583DEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #583DEE

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583DEE	#FFFFFF	#000000	##FFFFFF
##583DEE	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066F3

Deuteranopia (green-blind)

#0059EB

Tritanopia (blue-blind)

#007093

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #583dee;
/* rgb */ color: rgb(88, 61, 238);
/* oklch */ color: oklch(51.3% 0.248 280.1);

Tailwind

colors: {
  custom: {
    50: '#9976f5',
    500: '#583dee',
    950: '#000000',
  },
}

SCSS

$custom: #583dee;
$custom-light: #9976f5;
$custom-dark: #000000;

JSON

{
  "hex": "#583dee",
  "rgb": {
    "r": 88,
    "g": 61,
    "b": 238
  },
  "hsl": {
    "h": 249.153,
    "s": 83.886,
    "l": 58.627
  },
  "oklch": {
    "l": 0.51348,
    "c": 0.24761,
    "h": 280.1
  },
  "luminance": 0.11585
}

Semantic roles & 50–950 ramp

primary

#583DEE

secondary

#DCE6A0

accent

#FA2EDB

background

#FAF7FF

surface

#F4EDFF

border

#CEC8D7

text

#100917

muted

#7F7B85

Preview Lab

Preview with #583DEE

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

Preview Lab → · Contrast checker → · Palette generator →