#576BBC#576BBC

#576BBC is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.1% C 0.128 H 271.2°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#576BBC
RGB	rgb(87, 107, 188)
HSL	hsl(228, 43%, 54%)
HSV	hsv(228, 54%, 74%)
CMYK	cmyk(53.7%, 43.1%, 0%, 26.3%)
CIE-LAB	lab(47.20, 16.11, -45.06)
CIE-LCH	lch(47.20, 47.85, 289.68°)
OKLab	oklab(55.07% 0.0027 -0.128)
OKLCH	oklch(55.07% 0.128 271.2)
XYZ	xyz(18.2623, 16.1712, 49.7262)
Luminance	0.1617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BBC #BCA857

analogous

#579EBC #576BBC #7657BC

triadic

#576BBC #BC576B #6BBC57

tetradic

#576BBC #BC579E #BCA857 #57BC76

square

#576BBC #BC579E #BCA857 #57BC76

split-complementary

#576BBC #BC7657 #9EBC57

monochromatic

#2C386D #3D4F99 #576BBC #8392CD #AFB8DF

Accessibility & contrast

On white

4.96

#576BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#576BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576BBC

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BBC	#FFFFFF	#000000	##FFFFFF
##576BBC	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4975BF

Deuteranopia (green-blind)

#3D6CBA

Tritanopia (blue-blind)

#257D8A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #576bbc;
/* rgb */ color: rgb(87, 107, 188);
/* oklch */ color: oklch(55.1% 0.128 271.2);

Tailwind

colors: {
  custom: {
    50: '#8d95d0',
    500: '#576bbc',
    950: '#000000',
  },
}

SCSS

$custom: #576bbc;
$custom-light: #8d95d0;
$custom-dark: #000000;

JSON

{
  "hex": "#576bbc",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 188
  },
  "hsl": {
    "h": 228.119,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.5507,
    "c": 0.128,
    "h": 271.2
  },
  "luminance": 0.16172
}

Semantic roles & 50–950 ramp

primary

#576BBC

secondary

#CDC4A2

accent

#BA55D3

background

#F9F9FC

surface

#F1F1F9

border

#CBCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #576BBC

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

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