#576BE3#576BE3

#576BE3 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.7% C 0.182 H 272.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#576BE3
RGB	rgb(87, 107, 227)
HSL	hsl(231, 71%, 62%)
HSV	hsv(231, 62%, 89%)
CMYK	cmyk(61.7%, 52.9%, 0%, 11%)
CIE-LAB	lab(49.60, 29.04, -63.47)
CIE-LCH	lch(49.60, 69.80, 294.58°)
OKLab	oklab(57.66% 0.0073 -0.1821)
OKLCH	oklch(57.66% 0.182 272.3)
XYZ	xyz(23.0487, 18.0857, 74.9344)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BE3 #E3CF57

analogous

#57B1E3 #576BE3 #8957E3

triadic

#576BE3 #E3576B #6BE357

tetradic

#576BE3 #E357B1 #E3CF57 #57E389

square

#576BE3 #E357B1 #E3CF57 #57E389

split-complementary

#576BE3 #E38957 #B1E357

monochromatic

#1B2FA4 #243ED9 #576BE3 #8B99EC #C0C7F4

Accessibility & contrast

On white

4.55

#576BE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#576BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #576BE3

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BE3	#FFFFFF	#000000	##000000
##576BE3	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C7CE7

Deuteranopia (green-blind)

#0070E1

Tritanopia (blue-blind)

#00879D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #576be3;
/* rgb */ color: rgb(87, 107, 227);
/* oklch */ color: oklch(57.7% 0.182 272.3);

Tailwind

colors: {
  custom: {
    50: '#9395ed',
    500: '#576be3',
    950: '#000000',
  },
}

SCSS

$custom: #576be3;
$custom-light: #9395ed;
$custom-dark: #000000;

JSON

{
  "hex": "#576be3",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 227
  },
  "hsl": {
    "h": 231.429,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.57664,
    "c": 0.18226,
    "h": 272.3
  },
  "luminance": 0.18088
}

Semantic roles & 50–950 ramp

primary

#576BE3

secondary

#E5DEB1

accent

#B812D3

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #576BE3

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

Preview Lab → · Contrast checker → · Palette generator →