#576FB1#576FB1

#576FB1 is a mid, moderate blue. Relative luminance 0.166; OKLCH L 55.3% C 0.107 H 267.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#576FB1
RGB	rgb(87, 111, 177)
HSL	hsl(224, 37%, 52%)
HSV	hsv(224, 51%, 69%)
CMYK	cmyk(50.8%, 37.3%, 0%, 30.6%)
CIE-LAB	lab(47.71, 10.09, -37.86)
CIE-LCH	lch(47.71, 39.18, 284.92°)
OKLab	oklab(55.27% -0.0043 -0.1069)
OKLCH	oklch(55.27% 0.107 267.7)
XYZ	xyz(17.5481, 16.5683, 43.8598)
Luminance	0.1657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576FB1 #B19957

analogous

#579CB1 #576FB1 #6C57B1

triadic

#576FB1 #B1576F #6FB157

tetradic

#576FB1 #B1579C #B19957 #57B16C

square

#576FB1 #B1579C #B19957 #57B16C

split-complementary

#576FB1 #B16C57 #9CB157

monochromatic

#2D3B61 #40548A #576FB1 #8193C4 #ABB7D8

Accessibility & contrast

On white

4.87

#576FB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#576FB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576FB1

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576FB1	#FFFFFF	#000000	##FFFFFF
##576FB1	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5575B4

Deuteranopia (green-blind)

#4C6EB0

Tritanopia (blue-blind)

#2F7D87

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #576fb1;
/* rgb */ color: rgb(87, 111, 177);
/* oklch */ color: oklch(55.3% 0.107 267.7);

Tailwind

colors: {
  custom: {
    50: '#8c98c8',
    500: '#576fb1',
    950: '#000000',
  },
}

SCSS

$custom: #576fb1;
$custom-light: #8c98c8;
$custom-dark: #000000;

JSON

{
  "hex": "#576fb1",
  "rgb": {
    "r": 87,
    "g": 111,
    "b": 177
  },
  "hsl": {
    "h": 224,
    "s": 36.585,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55272,
    "c": 0.10699,
    "h": 267.7
  },
  "luminance": 0.16569
}

Semantic roles & 50–950 ramp

primary

#576FB1

secondary

#C6BB9E

accent

#AE5BCD

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #576FB1

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

Preview Lab → · Contrast checker → · Palette generator →