#576CBD#576CBD

#576CBD is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.3% C 0.128 H 270.8°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#576CBD
RGB	rgb(87, 108, 189)
HSL	hsl(228, 44%, 54%)
HSV	hsv(228, 54%, 74%)
CMYK	cmyk(54%, 42.9%, 0%, 25.9%)
CIE-LAB	lab(47.53, 15.82, -45.11)
CIE-LCH	lch(47.53, 47.80, 289.32°)
OKLab	oklab(55.34% 0.0018 -0.1281)
OKLCH	oklch(55.34% 0.128 270.8)
XYZ	xyz(18.4753, 16.4242, 50.3309)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576CBD #BDA857

analogous

#579FBD #576CBD #7557BD

triadic

#576CBD #BD576C #6CBD57

tetradic

#576CBD #BD579F #BDA857 #57BD75

square

#576CBD #BD579F #BDA857 #57BD75

split-complementary

#576CBD #BD7557 #9FBD57

monochromatic

#2B396E #3D509A #576CBD #8392CE #AFB9E0

Accessibility & contrast

On white

4.90

#576CBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#576CBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576CBD

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576CBD	#FFFFFF	#000000	##FFFFFF
##576CBD	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A75C0

Deuteranopia (green-blind)

#3E6DBB

Tritanopia (blue-blind)

#237E8B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #576cbd;
/* rgb */ color: rgb(87, 108, 189);
/* oklch */ color: oklch(55.3% 0.128 270.8);

Tailwind

colors: {
  custom: {
    50: '#8d95d1',
    500: '#576cbd',
    950: '#000000',
  },
}

SCSS

$custom: #576cbd;
$custom-light: #8d95d1;
$custom-dark: #000000;

JSON

{
  "hex": "#576cbd",
  "rgb": {
    "r": 87,
    "g": 108,
    "b": 189
  },
  "hsl": {
    "h": 227.647,
    "s": 43.59,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55339,
    "c": 0.12814,
    "h": 270.8
  },
  "luminance": 0.16425
}

Semantic roles & 50–950 ramp

primary

#576CBD

secondary

#CEC5A2

accent

#B954D3

background

#F9F9FC

surface

#F1F1F9

border

#CBCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #576CBD

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

Preview Lab → · Contrast checker → · Palette generator →