#576ECE#576ECE

#576ECE is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.8% C 0.150 H 270.8°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#576ECE
RGB	rgb(87, 110, 206)
HSL	hsl(228, 55%, 57%)
HSV	hsv(228, 58%, 81%)
CMYK	cmyk(57.8%, 46.6%, 0%, 19.2%)
CIE-LAB	lab(49.05, 20.17, -52.45)
CIE-LCH	lch(49.05, 56.19, 291.04°)
OKLab	oklab(56.82% 0.0022 -0.1496)
OKLCH	oklch(56.82% 0.15 270.8)
XYZ	xyz(20.6433, 17.6327, 60.6962)
Luminance	0.1763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576ECE #CEB757

analogous

#57AACE #576ECE #7B57CE

triadic

#576ECE #CE576E #6ECE57

tetradic

#576ECE #CE57AA #CEB757 #57CE7B

square

#576ECE #CE57AA #CEB757 #57CE7B

split-complementary

#576ECE #CE7B57 #AACE57

monochromatic

#273984 #344DB3 #576ECE #8697DC #B6C0EA

Accessibility & contrast

On white

4.64

#576ECE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#576ECE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #576ECE

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

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

Color blindness preview

Protanopia (red-blind)

#417AD2

Deuteranopia (green-blind)

#2F70CC

Tritanopia (blue-blind)

#008394

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #576ece;
/* rgb */ color: rgb(87, 110, 206);
/* oklch */ color: oklch(56.8% 0.150 270.8);

Tailwind

colors: {
  custom: {
    50: '#9097dd',
    500: '#576ece',
    950: '#000000',
  },
}

SCSS

$custom: #576ece;
$custom-light: #9097dd;
$custom-dark: #000000;

JSON

{
  "hex": "#576ece",
  "rgb": {
    "r": 87,
    "g": 110,
    "b": 206
  },
  "hsl": {
    "h": 228.403,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.5682,
    "c": 0.14966,
    "h": 270.8
  },
  "luminance": 0.17634
}

Semantic roles & 50–950 ramp

primary

#576ECE

secondary

#D8CFA8

accent

#C14ADE

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #576ECE

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

Preview Lab → · Contrast checker → · Palette generator →