#576CCE#576CCE

#576CCE is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.4% C 0.152 H 271.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#576CCE
RGB	rgb(87, 108, 206)
HSL	hsl(229, 55%, 57%)
HSV	hsv(229, 58%, 81%)
CMYK	cmyk(57.8%, 47.6%, 0%, 19.2%)
CIE-LAB	lab(48.52, 21.41, -53.30)
CIE-LCH	lch(48.52, 57.44, 291.89°)
OKLab	oklab(56.42% 0.0043 -0.1522)
OKLCH	oklch(56.42% 0.152 271.6)
XYZ	xyz(20.4299, 17.2060, 60.6251)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576CCE #CEB957

analogous

#57A7CE #576CCE #7E57CE

triadic

#576CCE #CE576C #6CCE57

tetradic

#576CCE #CE57A7 #CEB957 #57CE7E

square

#576CCE #CE57A7 #CEB957 #57CE7E

split-complementary

#576CCE #CE7E57 #A7CE57

monochromatic

#273784 #344BB3 #576CCE #8695DC #B6BFEA

Accessibility & contrast

On white

4.73

#576CCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#576CCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576CCE

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576CCE	#FFFFFF	#000000	##FFFFFF
##576CCE	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C79D2

Deuteranopia (green-blind)

#2A6ECC

Tritanopia (blue-blind)

#008293

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #576cce;
/* rgb */ color: rgb(87, 108, 206);
/* oklch */ color: oklch(56.4% 0.152 271.6);

Tailwind

colors: {
  custom: {
    50: '#9095dd',
    500: '#576cce',
    950: '#000000',
  },
}

SCSS

$custom: #576cce;
$custom-light: #9095dd;
$custom-dark: #000000;

JSON

{
  "hex": "#576cce",
  "rgb": {
    "r": 87,
    "g": 108,
    "b": 206
  },
  "hsl": {
    "h": 229.412,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.56418,
    "c": 0.15222,
    "h": 271.6
  },
  "luminance": 0.17208
}

Semantic roles & 50–950 ramp

primary

#576CCE

secondary

#D8D0A8

accent

#C44ADE

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #576CCE

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

Preview Lab → · Contrast checker → · Palette generator →