#576FCF#576FCF

#576FCF is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.1% C 0.150 H 270.5°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#576FCF
RGB	rgb(87, 111, 207)
HSL	hsl(228, 56%, 58%)
HSV	hsv(228, 58%, 81%)
CMYK	cmyk(58%, 46.4%, 0%, 18.8%)
CIE-LAB	lab(49.37, 19.89, -52.50)
CIE-LCH	lch(49.37, 56.14, 290.75°)
OKLab	oklab(57.09% 0.0013 -0.1498)
OKLCH	oklch(57.09% 0.15 270.5)
XYZ	xyz(20.8737, 17.8985, 61.3742)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576FCF #CFB757

analogous

#57ABCF #576FCF #7B57CF

triadic

#576FCF #CF576F #6FCF57

tetradic

#576FCF #CF57AB #CFB757 #57CF7B

square

#576FCF #CF57AB #CFB757 #57CF7B

split-complementary

#576FCF #CF7B57 #ABCF57

monochromatic

#263985 #344EB5 #576FCF #8798DD #B6C1EA

Accessibility & contrast

On white

4.59

#576FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#576FCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #576FCF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576FCF	#FFFFFF	#000000	##FFFFFF
##576FCF	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427BD3

Deuteranopia (green-blind)

#3070CD

Tritanopia (blue-blind)

#008495

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #576fcf;
/* rgb */ color: rgb(87, 111, 207);
/* oklch */ color: oklch(57.1% 0.150 270.5);

Tailwind

colors: {
  custom: {
    50: '#9098de',
    500: '#576fcf',
    950: '#000000',
  },
}

SCSS

$custom: #576fcf;
$custom-light: #9098de;
$custom-dark: #000000;

JSON

{
  "hex": "#576fcf",
  "rgb": {
    "r": 87,
    "g": 111,
    "b": 207
  },
  "hsl": {
    "h": 228,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.57087,
    "c": 0.14979,
    "h": 270.5
  },
  "luminance": 0.179
}

Semantic roles & 50–950 ramp

primary

#576FCF

secondary

#D9CFA9

accent

#C149DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #576FCF

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

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