#576BE4#576BE4

#576BE4 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.7% C 0.184 H 272.3°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#576BE4
RGB	rgb(87, 107, 228)
HSL	hsl(231, 72%, 62%)
HSV	hsv(231, 62%, 89%)
CMYK	cmyk(61.8%, 53.1%, 0%, 10.6%)
CIE-LAB	lab(49.67, 29.37, -63.93)
CIE-LCH	lch(49.67, 70.36, 294.68°)
OKLab	oklab(57.74% 0.0074 -0.1834)
OKLCH	oklch(57.74% 0.184 272.3)
XYZ	xyz(23.1871, 18.1411, 75.6634)
Luminance	0.1814 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BE4 #E4D057

analogous

#57B2E4 #576BE4 #8957E4

triadic

#576BE4 #E4576B #6BE457

tetradic

#576BE4 #E457B2 #E4D057 #57E489

square

#576BE4 #E457B2 #E4D057 #57E489

split-complementary

#576BE4 #E48957 #B2E457

monochromatic

#1B2EA6 #233DDB #576BE4 #8C99EC #C0C8F5

Accessibility & contrast

On white

4.54

#576BE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#576BE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #576BE4

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BE4	#FFFFFF	#000000	##000000
##576BE4	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A7DE8

Deuteranopia (green-blind)

#0070E2

Tritanopia (blue-blind)

#00879D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #576be4;
/* rgb */ color: rgb(87, 107, 228);
/* oklch */ color: oklch(57.7% 0.184 272.3);

Tailwind

colors: {
  custom: {
    50: '#9395ed',
    500: '#576be4',
    950: '#000000',
  },
}

SCSS

$custom: #576be4;
$custom-light: #9395ed;
$custom-dark: #000000;

JSON

{
  "hex": "#576be4",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 228
  },
  "hsl": {
    "h": 231.489,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.57735,
    "c": 0.1836,
    "h": 272.3
  },
  "luminance": 0.18143
}

Semantic roles & 50–950 ramp

primary

#576BE4

secondary

#E6DEB1

accent

#B911D4

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #576BE4

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

Preview Lab → · Contrast checker → · Palette generator →