#573DDA#573DDA

#573DDA is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 49.4% C 0.225 H 281.9°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#573DDA
RGB	rgb(87, 61, 218)
HSL	hsl(250, 68%, 55%)
HSV	hsv(250, 72%, 85%)
CMYK	cmyk(60.1%, 72%, 0%, 14.5%)
CIE-LAB	lab(38.59, 53.14, -76.29)
CIE-LCH	lch(38.59, 92.98, 304.86°)
OKLab	oklab(49.38% 0.0464 -0.2199)
OKLCH	oklch(49.38% 0.225 281.9)
XYZ	xyz(18.2502, 10.4244, 67.3665)
Luminance	0.1043 (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

#573DDA #C0DA3D

analogous

#3D72DA #573DDA #A53DDA

triadic

#573DDA #DA573D #3DDA57

tetradic

#573DDA #DA3D72 #C0DA3D #3DDAA5

square

#573DDA #DA3D72 #C0DA3D #3DDAA5

split-complementary

#573DDA #DAA53D #72DA3D

monochromatic

#2B1984 #3B23B7 #573DDA #8470E4 #B0A4EE

Accessibility & contrast

On white

6.81

#573DDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#573DDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #573DDA

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573DDA	#FFFFFF	#000000	##FFFFFF
##573DDA	1.00	6.81	3.09	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DF

Deuteranopia (green-blind)

#0055D7

Tritanopia (blue-blind)

#006888

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #573dda;
/* rgb */ color: rgb(87, 61, 218);
/* oklch */ color: oklch(49.4% 0.225 281.9);

Tailwind

colors: {
  custom: {
    50: '#9575e7',
    500: '#573dda',
    950: '#000000',
  },
}

SCSS

$custom: #573dda;
$custom-light: #9575e7;
$custom-dark: #000000;

JSON

{
  "hex": "#573dda",
  "rgb": {
    "r": 87,
    "g": 61,
    "b": 218
  },
  "hsl": {
    "h": 249.936,
    "s": 67.965,
    "l": 54.706
  },
  "oklch": {
    "l": 0.49384,
    "c": 0.22478,
    "h": 281.9
  },
  "luminance": 0.10426
}

Semantic roles & 50–950 ramp

primary

#573DDA

secondary

#D0DB98

accent

#EB3DCE

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #573DDA

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

Preview Lab → · Contrast checker → · Palette generator →