#576BBF#576BBF

#576BBF is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.3% C 0.132 H 271.4°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#576BBF
RGB	rgb(87, 107, 191)
HSL	hsl(228, 45%, 55%)
HSV	hsv(228, 54%, 75%)
CMYK	cmyk(54.5%, 44%, 0%, 25.1%)
CIE-LAB	lab(47.37, 17.09, -46.52)
CIE-LCH	lch(47.37, 49.56, 290.17°)
OKLab	oklab(55.26% 0.0033 -0.1323)
OKLCH	oklch(55.26% 0.132 271.4)
XYZ	xyz(18.5891, 16.3019, 51.4471)
Luminance	0.1630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BBF #BFAB57

analogous

#579FBF #576BBF #7757BF

triadic

#576BBF #BF576B #6BBF57

tetradic

#576BBF #BF579F #BFAB57 #57BF77

square

#576BBF #BF579F #BFAB57 #57BF77

split-complementary

#576BBF #BF7757 #9FBF57

monochromatic

#2B3871 #3C4E9D #576BBF #8392D0 #B0B9E1

Accessibility & contrast

On white

4.93

#576BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#576BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576BBF

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BBF	#FFFFFF	#000000	##FFFFFF
##576BBF	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4775C2

Deuteranopia (green-blind)

#3A6CBD

Tritanopia (blue-blind)

#217D8C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #576bbf;
/* rgb */ color: rgb(87, 107, 191);
/* oklch */ color: oklch(55.3% 0.132 271.4);

Tailwind

colors: {
  custom: {
    50: '#8e95d3',
    500: '#576bbf',
    950: '#000000',
  },
}

SCSS

$custom: #576bbf;
$custom-light: #8e95d3;
$custom-dark: #000000;

JSON

{
  "hex": "#576bbf",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 191
  },
  "hsl": {
    "h": 228.462,
    "s": 44.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.55255,
    "c": 0.1323,
    "h": 271.4
  },
  "luminance": 0.16303
}

Semantic roles & 50–950 ramp

primary

#576BBF

secondary

#CFC6A3

accent

#BC53D5

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #576BBF

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

Preview Lab → · Contrast checker → · Palette generator →