#576ECC#576ECC

#576ECC is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.7% C 0.147 H 270.8°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#576ECC
RGB	rgb(87, 110, 204)
HSL	hsl(228, 53%, 57%)
HSV	hsv(228, 57%, 80%)
CMYK	cmyk(57.4%, 46.1%, 0%, 20%)
CIE-LAB	lab(48.93, 19.51, -51.50)
CIE-LCH	lch(48.93, 55.07, 290.75°)
OKLab	oklab(56.69% 0.0019 -0.1468)
OKLCH	oklch(56.69% 0.147 270.8)
XYZ	xyz(20.4019, 17.5362, 59.4247)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576ECC #CCB557

analogous

#57A9CC #576ECC #7B57CC

triadic

#576ECC #CC576E #6ECC57

tetradic

#576ECC #CC57A9 #CCB557 #57CC7B

square

#576ECC #CC57A9 #CCB557 #57CC7B

split-complementary

#576ECC #CC7B57 #A9CC57

monochromatic

#273981 #364EB0 #576ECC #8697DA #B5BFE9

Accessibility & contrast

On white

4.66

#576ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#576ECC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #576ECC

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576ECC	#FFFFFF	#000000	##FFFFFF
##576ECC	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427ACF

Deuteranopia (green-blind)

#326FCA

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #576ecc;
/* rgb */ color: rgb(87, 110, 204);
/* oklch */ color: oklch(56.7% 0.147 270.8);

Tailwind

colors: {
  custom: {
    50: '#8f97dc',
    500: '#576ecc',
    950: '#000000',
  },
}

SCSS

$custom: #576ecc;
$custom-light: #8f97dc;
$custom-dark: #000000;

JSON

{
  "hex": "#576ecc",
  "rgb": {
    "r": 87,
    "g": 110,
    "b": 204
  },
  "hsl": {
    "h": 228.205,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56691,
    "c": 0.14686,
    "h": 270.8
  },
  "luminance": 0.17538
}

Semantic roles & 50–950 ramp

primary

#576ECC

secondary

#D7CEA8

accent

#C04BDD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #576ECC

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

Preview Lab → · Contrast checker → · Palette generator →