#576FCE#576FCE

#576FCE is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.0% C 0.148 H 270.4°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#576FCE
RGB	rgb(87, 111, 206)
HSL	hsl(228, 55%, 57%)
HSV	hsv(228, 58%, 81%)
CMYK	cmyk(57.8%, 46.1%, 0%, 19.2%)
CIE-LAB	lab(49.31, 19.55, -52.02)
CIE-LCH	lch(49.31, 55.58, 290.60°)
OKLab	oklab(57.02% 0.0012 -0.1484)
OKLCH	oklch(57.02% 0.148 270.4)
XYZ	xyz(20.7518, 17.8497, 60.7323)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576FCE #CEB657

analogous

#57ABCE #576FCE #7A57CE

triadic

#576FCE #CE576F #6FCE57

tetradic

#576FCE #CE57AB #CEB657 #57CE7A

square

#576FCE #CE57AB #CEB657 #57CE7A

split-complementary

#576FCE #CE7A57 #ABCE57

monochromatic

#273984 #344EB3 #576FCE #8698DC #B6C0EA

Accessibility & contrast

On white

4.59

#576FCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#576FCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #576FCE

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576FCE	#FFFFFF	#000000	##FFFFFF
##576FCE	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437BD2

Deuteranopia (green-blind)

#3170CC

Tritanopia (blue-blind)

#008494

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #576fce;
/* rgb */ color: rgb(87, 111, 206);
/* oklch */ color: oklch(57.0% 0.148 270.4);

Tailwind

colors: {
  custom: {
    50: '#9098dd',
    500: '#576fce',
    950: '#000000',
  },
}

SCSS

$custom: #576fce;
$custom-light: #9098dd;
$custom-dark: #000000;

JSON

{
  "hex": "#576fce",
  "rgb": {
    "r": 87,
    "g": 111,
    "b": 206
  },
  "hsl": {
    "h": 227.899,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.57023,
    "c": 0.14838,
    "h": 270.4
  },
  "luminance": 0.17851
}

Semantic roles & 50–950 ramp

primary

#576FCE

secondary

#D8CFA8

accent

#C04ADE

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #576FCE

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

Preview Lab → · Contrast checker → · Palette generator →