#576DDD#576DDD

#576DDD is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.6% C 0.172 H 271.6°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#576DDD
RGB	rgb(87, 109, 221)
HSL	hsl(230, 66%, 60%)
HSV	hsv(230, 61%, 87%)
CMYK	cmyk(60.6%, 50.7%, 0%, 13.3%)
CIE-LAB	lab(49.72, 25.80, -59.90)
CIE-LCH	lch(49.72, 65.22, 293.30°)
OKLab	oklab(57.63% 0.0049 -0.1716)
OKLCH	oklch(57.63% 0.172 271.6)
XYZ	xyz(22.4459, 18.1821, 70.7192)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576DDD #DDC757

analogous

#57B0DD #576DDD #8457DD

triadic

#576DDD #DD576D #6DDD57

tetradic

#576DDD #DD57B0 #DDC757 #57DD84

square

#576DDD #DD57B0 #DDC757 #57DD84

split-complementary

#576DDD #DD8457 #B0DD57

monochromatic

#1F339A #2A44CD #576DDD #8A99E7 #BDC5F2

Accessibility & contrast

On white

4.53

#576DDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#576DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #576DDD

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576DDD	#FFFFFF	#000000	##000000
##576DDD	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7CE1

Deuteranopia (green-blind)

#0671DB

Tritanopia (blue-blind)

#00879B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #576ddd;
/* rgb */ color: rgb(87, 109, 221);
/* oklch */ color: oklch(57.6% 0.172 271.6);

Tailwind

colors: {
  custom: {
    50: '#9296e8',
    500: '#576ddd',
    950: '#000000',
  },
}

SCSS

$custom: #576ddd;
$custom-light: #9296e8;
$custom-dark: #000000;

JSON

{
  "hex": "#576ddd",
  "rgb": {
    "r": 87,
    "g": 109,
    "b": 221
  },
  "hsl": {
    "h": 230.149,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.57626,
    "c": 0.17163,
    "h": 271.6
  },
  "luminance": 0.18184
}

Semantic roles & 50–950 ramp

primary

#576DDD

secondary

#E1D9AE

accent

#B017CE

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #576DDD

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

Preview Lab → · Contrast checker → · Palette generator →