#576DE4#576DE4

#576DE4 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 58.1% C 0.181 H 271.7°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#576DE4
RGB	rgb(87, 109, 228)
HSL	hsl(231, 72%, 62%)
HSV	hsv(231, 62%, 89%)
CMYK	cmyk(61.8%, 52.2%, 0%, 10.6%)
CIE-LAB	lab(50.17, 28.14, -63.11)
CIE-LCH	lch(50.17, 69.10, 294.03°)
OKLab	oklab(58.12% 0.0055 -0.181)
OKLCH	oklch(58.12% 0.181 271.7)
XYZ	xyz(23.3980, 18.5630, 75.7337)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576DE4 #E4CE57

analogous

#57B4E4 #576DE4 #8857E4

triadic

#576DE4 #E4576D #6DE457

tetradic

#576DE4 #E457B4 #E4CE57 #57E488

square

#576DE4 #E457B4 #E4CE57 #57E488

split-complementary

#576DE4 #E48857 #B4E457

monochromatic

#1B30A6 #2340DB #576DE4 #8C9BEC #C0C9F5

Accessibility & contrast

On white

4.46

#576DE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#576DE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #576DE4

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576DE4	#FFFFFF	#000000	##000000
##576DE4	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#237EE8

Deuteranopia (green-blind)

#0071E2

Tritanopia (blue-blind)

#00899E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #576de4;
/* rgb */ color: rgb(87, 109, 228);
/* oklch */ color: oklch(58.1% 0.181 271.7);

Tailwind

colors: {
  custom: {
    50: '#9396ed',
    500: '#576de4',
    950: '#000000',
  },
}

SCSS

$custom: #576de4;
$custom-light: #9396ed;
$custom-dark: #000000;

JSON

{
  "hex": "#576de4",
  "rgb": {
    "r": 87,
    "g": 109,
    "b": 228
  },
  "hsl": {
    "h": 230.638,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.58115,
    "c": 0.1811,
    "h": 271.7
  },
  "luminance": 0.18565
}

Semantic roles & 50–950 ramp

primary

#576DE4

secondary

#E6DDB1

accent

#B611D4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #576DE4

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

Preview Lab → · Contrast checker → · Palette generator →