#576FDD#576FDD

#576FDD is a mid, vivid blue. Relative luminance 0.186; OKLCH L 58.0% C 0.169 H 271.0°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#576FDD
RGB	rgb(87, 111, 221)
HSL	hsl(229, 66%, 60%)
HSV	hsv(229, 61%, 87%)
CMYK	cmyk(60.6%, 49.8%, 0%, 13.3%)
CIE-LAB	lab(50.23, 24.56, -59.07)
CIE-LCH	lch(50.23, 63.97, 292.58°)
OKLab	oklab(58.02% 0.003 -0.1691)
OKLCH	oklch(58.02% 0.169 271)
XYZ	xyz(22.6617, 18.6137, 70.7912)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576FDD #DDC557

analogous

#57B2DD #576FDD #8257DD

triadic

#576FDD #DD576F #6FDD57

tetradic

#576FDD #DD57B2 #DDC557 #57DD82

square

#576FDD #DD57B2 #DDC557 #57DD82

split-complementary

#576FDD #DD8257 #B2DD57

monochromatic

#1F359A #2A47CD #576FDD #8A9BE7 #BDC6F2

Accessibility & contrast

On white

4.45

#576FDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#576FDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #576FDD

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576FDD	#FFFFFF	#000000	##000000
##576FDD	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#337EE1

Deuteranopia (green-blind)

#1472DB

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #576fdd;
/* rgb */ color: rgb(87, 111, 221);
/* oklch */ color: oklch(58.0% 0.169 271.0);

Tailwind

colors: {
  custom: {
    50: '#9298e8',
    500: '#576fdd',
    950: '#000000',
  },
}

SCSS

$custom: #576fdd;
$custom-light: #9298e8;
$custom-dark: #000000;

JSON

{
  "hex": "#576fdd",
  "rgb": {
    "r": 87,
    "g": 111,
    "b": 221
  },
  "hsl": {
    "h": 229.254,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.58016,
    "c": 0.16913,
    "h": 271
  },
  "luminance": 0.18616
}

Semantic roles & 50–950 ramp

primary

#576FDD

secondary

#E1D8AE

accent

#AD17CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #576FDD

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

Preview Lab → · Contrast checker → · Palette generator →