#576FEB#576FEB

#576FEB is a mid, vivid blue. Relative luminance 0.194; OKLCH L 59.0% C 0.188 H 271.3°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#576FEB
RGB	rgb(87, 111, 235)
HSL	hsl(230, 79%, 63%)
HSV	hsv(230, 63%, 92%)
CMYK	cmyk(63%, 52.8%, 0%, 7.8%)
CIE-LAB	lab(51.14, 29.26, -65.48)
CIE-LCH	lch(51.14, 71.72, 294.08°)
OKLab	oklab(58.99% 0.0041 -0.188)
OKLCH	oklch(58.99% 0.188 271.3)
XYZ	xyz(24.6053, 19.3911, 81.0274)
Luminance	0.1939 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576FEB #EBD357

analogous

#57B9EB #576FEB #8957EB

triadic

#576FEB #EB576F #6FEB57

tetradic

#576FEB #EB57B9 #EBD357 #57EB89

square

#576FEB #EB57B9 #EBD357 #57EB89

split-complementary

#576FEB #EB8957 #B9EB57

monochromatic

#152FB2 #2040E4 #576FEB #8E9EF2 #C4CDF8

Accessibility & contrast

On white

4.30

#576FEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#576FEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #576FEB

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

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

Color blindness preview

Protanopia (red-blind)

#1C81EF

Deuteranopia (green-blind)

#0073E8

Tritanopia (blue-blind)

#008CA2

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #576feb;
/* rgb */ color: rgb(87, 111, 235);
/* oklch */ color: oklch(59.0% 0.188 271.3);

Tailwind

colors: {
  custom: {
    50: '#9498f2',
    500: '#576feb',
    950: '#000000',
  },
}

SCSS

$custom: #576feb;
$custom-light: #9498f2;
$custom-dark: #000000;

JSON

{
  "hex": "#576feb",
  "rgb": {
    "r": 87,
    "g": 111,
    "b": 235
  },
  "hsl": {
    "h": 230.27,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.58993,
    "c": 0.188,
    "h": 271.3
  },
  "luminance": 0.19393
}

Semantic roles & 50–950 ramp

primary

#576FEB

secondary

#E9E1B4

accent

#B90ADB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #576FEB

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

Preview Lab → · Contrast checker → · Palette generator →