#576BB4#576BB4

#576BB4 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.6% C 0.116 H 270.6°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#576BB4
RGB	rgb(87, 107, 180)
HSL	hsl(227, 38%, 52%)
HSV	hsv(227, 52%, 71%)
CMYK	cmyk(51.7%, 40.6%, 0%, 29.4%)
CIE-LAB	lab(46.76, 13.52, -41.11)
CIE-LCH	lch(46.76, 43.28, 288.21°)
OKLab	oklab(54.59% 0.0012 -0.1164)
OKLCH	oklch(54.59% 0.116 270.6)
XYZ	xyz(17.4237, 15.8358, 45.3096)
Luminance	0.1584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BB4 #B4A057

analogous

#5799B4 #576BB4 #7257B4

triadic

#576BB4 #B4576B #6BB457

tetradic

#576BB4 #B45799 #B4A057 #57B472

square

#576BB4 #B45799 #B4A057 #57B472

split-complementary

#576BB4 #B47257 #99B457

monochromatic

#2D3964 #40508E #576BB4 #8190C7 #ACB6DA

Accessibility & contrast

On white

5.04

#576BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#576BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576BB4

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BB4	#FFFFFF	#000000	##FFFFFF
##576BB4	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E73B7

Deuteranopia (green-blind)

#446BB2

Tritanopia (blue-blind)

#2E7B87

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #576bb4;
/* rgb */ color: rgb(87, 107, 180);
/* oklch */ color: oklch(54.6% 0.116 270.6);

Tailwind

colors: {
  custom: {
    50: '#8c95cb',
    500: '#576bb4',
    950: '#000000',
  },
}

SCSS

$custom: #576bb4;
$custom-light: #8c95cb;
$custom-dark: #000000;

JSON

{
  "hex": "#576bb4",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 180
  },
  "hsl": {
    "h": 227.097,
    "s": 38.272,
    "l": 52.353
  },
  "oklch": {
    "l": 0.54589,
    "c": 0.11644,
    "h": 270.6
  },
  "luminance": 0.15837
}

Semantic roles & 50–950 ramp

primary

#576BB4

secondary

#C8BF9F

accent

#B55ACE

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0D0D13

muted

#7D7E82

Preview Lab

Preview with #576BB4

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

Preview Lab → · Contrast checker → · Palette generator →