#576ECA#576ECA

#576ECA is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.6% C 0.144 H 270.7°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#576ECA
RGB	rgb(87, 110, 202)
HSL	hsl(228, 52%, 57%)
HSV	hsv(228, 57%, 79%)
CMYK	cmyk(56.9%, 45.5%, 0%, 20.8%)
CIE-LAB	lab(48.81, 18.85, -50.54)
CIE-LCH	lch(48.81, 53.94, 290.45°)
OKLab	oklab(56.56% 0.0017 -0.144)
OKLCH	oklch(56.56% 0.144 270.7)
XYZ	xyz(20.1636, 17.4408, 58.1695)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576ECA #CAB357

analogous

#57A8CA #576ECA #7A57CA

triadic

#576ECA #CA576E #6ECA57

tetradic

#576ECA #CA57A8 #CAB357 #57CA7A

square

#576ECA #CA57A8 #CAB357 #57CA7A

split-complementary

#576ECA #CA7A57 #A8CA57

monochromatic

#28397F #374EAD #576ECA #8696D9 #B4BEE7

Accessibility & contrast

On white

4.68

#576ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#576ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576ECA

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576ECA	#FFFFFF	#000000	##FFFFFF
##576ECA	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4479CD

Deuteranopia (green-blind)

#346FC8

Tritanopia (blue-blind)

#078292

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #576eca;
/* rgb */ color: rgb(87, 110, 202);
/* oklch */ color: oklch(56.6% 0.144 270.7);

Tailwind

colors: {
  custom: {
    50: '#8f97db',
    500: '#576eca',
    950: '#000000',
  },
}

SCSS

$custom: #576eca;
$custom-light: #8f97db;
$custom-dark: #000000;

JSON

{
  "hex": "#576eca",
  "rgb": {
    "r": 87,
    "g": 110,
    "b": 202
  },
  "hsl": {
    "h": 228,
    "s": 52.036,
    "l": 56.667
  },
  "oklch": {
    "l": 0.56563,
    "c": 0.14405,
    "h": 270.7
  },
  "luminance": 0.17442
}

Semantic roles & 50–950 ramp

primary

#576ECA

secondary

#D6CDA7

accent

#BF4CDB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #576ECA

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

Preview Lab → · Contrast checker → · Palette generator →