#576BB3#576BB3

#576BB3 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.5% C 0.115 H 270.5°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#576BB3
RGB	rgb(87, 107, 179)
HSL	hsl(227, 38%, 52%)
HSV	hsv(227, 51%, 70%)
CMYK	cmyk(51.4%, 40.2%, 0%, 29.8%)
CIE-LAB	lab(46.70, 13.20, -40.62)
CIE-LCH	lch(46.70, 42.71, 288.01°)
OKLab	oklab(54.53% 0.001 -0.115)
OKLCH	oklch(54.53% 0.115 270.5)
XYZ	xyz(17.3222, 15.7952, 44.7751)
Luminance	0.1580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BB3 #B39F57

analogous

#5799B3 #576BB3 #7157B3

triadic

#576BB3 #B3576B #6BB357

tetradic

#576BB3 #B35799 #B39F57 #57B371

square

#576BB3 #B35799 #B39F57 #57B371

split-complementary

#576BB3 #B37157 #99B357

monochromatic

#2D3863 #40518D #576BB3 #8190C6 #ABB5D9

Accessibility & contrast

On white

5.05

#576BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#576BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576BB3

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BB3	#FFFFFF	#000000	##FFFFFF
##576BB3	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E73B6

Deuteranopia (green-blind)

#456BB1

Tritanopia (blue-blind)

#2E7A86

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #576bb3;
/* rgb */ color: rgb(87, 107, 179);
/* oklch */ color: oklch(54.5% 0.115 270.5);

Tailwind

colors: {
  custom: {
    50: '#8c95ca',
    500: '#576bb3',
    950: '#000000',
  },
}

SCSS

$custom: #576bb3;
$custom-light: #8c95ca;
$custom-dark: #000000;

JSON

{
  "hex": "#576bb3",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 179
  },
  "hsl": {
    "h": 226.957,
    "s": 37.705,
    "l": 52.157
  },
  "oklch": {
    "l": 0.5453,
    "c": 0.11497,
    "h": 270.5
  },
  "luminance": 0.15796
}

Semantic roles & 50–950 ramp

primary

#576BB3

secondary

#C7BE9F

accent

#B55ACE

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #576BB3

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

Preview Lab → · Contrast checker → · Palette generator →