#576CBF#576CBF

#576CBF is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.5% C 0.131 H 270.9°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#576CBF
RGB	rgb(87, 108, 191)
HSL	hsl(228, 45%, 55%)
HSV	hsv(228, 54%, 75%)
CMYK	cmyk(54.5%, 43.5%, 0%, 25.1%)
CIE-LAB	lab(47.64, 16.47, -46.09)
CIE-LCH	lch(47.64, 48.94, 289.67°)
OKLab	oklab(55.46% 0.0021 -0.131)
OKLCH	oklch(55.46% 0.131 270.9)
XYZ	xyz(18.6939, 16.5116, 51.4821)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576CBF #BFAA57

analogous

#57A0BF #576CBF #7657BF

triadic

#576CBF #BF576C #6CBF57

tetradic

#576CBF #BF57A0 #BFAA57 #57BF76

square

#576CBF #BF57A0 #BFAA57 #57BF76

split-complementary

#576CBF #BF7657 #A0BF57

monochromatic

#2B3971 #3C4F9D #576CBF #8393D0 #B0BAE1

Accessibility & contrast

On white

4.88

#576CBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#576CBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576CBF

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576CBF	#FFFFFF	#000000	##FFFFFF
##576CBF	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4876C2

Deuteranopia (green-blind)

#3C6DBD

Tritanopia (blue-blind)

#217E8C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #576cbf;
/* rgb */ color: rgb(87, 108, 191);
/* oklch */ color: oklch(55.5% 0.131 270.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#576cbf",
  "rgb": {
    "r": 87,
    "g": 108,
    "b": 191
  },
  "hsl": {
    "h": 227.885,
    "s": 44.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.55462,
    "c": 0.13101,
    "h": 270.9
  },
  "luminance": 0.16513
}

Semantic roles & 50–950 ramp

primary

#576CBF

secondary

#CFC6A3

accent

#BA53D5

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #576CBF

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

Preview Lab → · Contrast checker → · Palette generator →