#576FB3#576FB3

#576FB3 is a mid, moderate blue. Relative luminance 0.167; OKLCH L 55.4% C 0.110 H 268.0°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#576FB3
RGB	rgb(87, 111, 179)
HSL	hsl(224, 38%, 52%)
HSV	hsv(224, 51%, 70%)
CMYK	cmyk(51.4%, 38%, 0%, 29.8%)
CIE-LAB	lab(47.81, 10.73, -38.86)
CIE-LCH	lch(47.81, 40.31, 285.44°)
OKLab	oklab(55.39% -0.0038 -0.1098)
OKLCH	oklch(55.39% 0.11 268)
XYZ	xyz(17.7489, 16.6486, 44.9173)
Luminance	0.1665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576FB3 #B39B57

analogous

#579DB3 #576FB3 #6D57B3

triadic

#576FB3 #B3576F #6FB357

tetradic

#576FB3 #B3579D #B39B57 #57B36D

square

#576FB3 #B3579D #B39B57 #57B36D

split-complementary

#576FB3 #B36D57 #9DB357

monochromatic

#2D3B63 #40548D #576FB3 #8193C6 #ABB7D9

Accessibility & contrast

On white

4.85

#576FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#576FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576FB3

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576FB3	#FFFFFF	#000000	##FFFFFF
##576FB3	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5476B6

Deuteranopia (green-blind)

#4A6EB2

Tritanopia (blue-blind)

#2E7E88

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #576fb3;
/* rgb */ color: rgb(87, 111, 179);
/* oklch */ color: oklch(55.4% 0.110 268.0);

Tailwind

colors: {
  custom: {
    50: '#8c98ca',
    500: '#576fb3',
    950: '#000000',
  },
}

SCSS

$custom: #576fb3;
$custom-light: #8c98ca;
$custom-dark: #000000;

JSON

{
  "hex": "#576fb3",
  "rgb": {
    "r": 87,
    "g": 111,
    "b": 179
  },
  "hsl": {
    "h": 224.348,
    "s": 37.705,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55385,
    "c": 0.10988,
    "h": 268
  },
  "luminance": 0.1665
}

Semantic roles & 50–950 ramp

primary

#576FB3

secondary

#C7BD9F

accent

#B05ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #576FB3

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

Preview Lab → · Contrast checker → · Palette generator →