#576BB5#576BB5

#576BB5 is a mid, moderate blue. Relative luminance 0.159; OKLCH L 54.6% C 0.118 H 270.7°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#576BB5
RGB	rgb(87, 107, 181)
HSL	hsl(227, 39%, 53%)
HSV	hsv(227, 52%, 71%)
CMYK	cmyk(51.9%, 40.9%, 0%, 29%)
CIE-LAB	lab(46.81, 13.85, -41.61)
CIE-LCH	lch(46.81, 43.85, 288.41°)
OKLab	oklab(54.65% 0.0014 -0.1179)
OKLCH	oklch(54.65% 0.118 270.7)
XYZ	xyz(17.5260, 15.8767, 45.8481)
Luminance	0.1588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BB5 #B5A157

analogous

#579AB5 #576BB5 #7257B5

triadic

#576BB5 #B5576B #6BB557

tetradic

#576BB5 #B5579A #B5A157 #57B572

square

#576BB5 #B5579A #B5A157 #57B572

split-complementary

#576BB5 #B57257 #9AB557

monochromatic

#2D3965 #3F5090 #576BB5 #8190C8 #ACB6DA

Accessibility & contrast

On white

5.03

#576BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#576BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576BB5

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BB5	#FFFFFF	#000000	##FFFFFF
##576BB5	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D73B8

Deuteranopia (green-blind)

#436BB3

Tritanopia (blue-blind)

#2D7B87

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #576bb5;
/* rgb */ color: rgb(87, 107, 181);
/* oklch */ color: oklch(54.6% 0.118 270.7);

Tailwind

colors: {
  custom: {
    50: '#8c95cb',
    500: '#576bb5',
    950: '#000000',
  },
}

SCSS

$custom: #576bb5;
$custom-light: #8c95cb;
$custom-dark: #000000;

JSON

{
  "hex": "#576bb5",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 181
  },
  "hsl": {
    "h": 227.234,
    "s": 38.843,
    "l": 52.549
  },
  "oklch": {
    "l": 0.54648,
    "c": 0.11789,
    "h": 270.7
  },
  "luminance": 0.15878
}

Semantic roles & 50–950 ramp

primary

#576BB5

secondary

#C8C09F

accent

#B659CF

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0D0D13

muted

#7D7E82

Preview Lab

Preview with #576BB5

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

Preview Lab → · Contrast checker → · Palette generator →