#576BD1#576BD1

#576BD1 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.4% C 0.158 H 272.1°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#576BD1
RGB	rgb(87, 107, 209)
HSL	hsl(230, 57%, 58%)
HSV	hsv(230, 58%, 82%)
CMYK	cmyk(58.4%, 48.8%, 0%, 18%)
CIE-LAB	lab(48.44, 23.03, -55.14)
CIE-LCH	lch(48.44, 59.75, 292.67°)
OKLab	oklab(56.42% 0.0057 -0.1576)
OKLCH	oklch(56.42% 0.158 272.1)
XYZ	xyz(20.6930, 17.1435, 62.5278)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BD1 #D1BD57

analogous

#57A8D1 #576BD1 #8057D1

triadic

#576BD1 #D1576B #6BD157

tetradic

#576BD1 #D157A8 #D1BD57 #57D180

square

#576BD1 #D157A8 #D1BD57 #57D180

split-complementary

#576BD1 #D18057 #A8D157

monochromatic

#253688 #3248B8 #576BD1 #8795DE #B7C0EB

Accessibility & contrast

On white

4.74

#576BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#576BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576BD1

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BD1	#FFFFFF	#000000	##FFFFFF
##576BD1	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3779D5

Deuteranopia (green-blind)

#226ECF

Tritanopia (blue-blind)

#008294

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #576bd1;
/* rgb */ color: rgb(87, 107, 209);
/* oklch */ color: oklch(56.4% 0.158 272.1);

Tailwind

colors: {
  custom: {
    50: '#9095e0',
    500: '#576bd1',
    950: '#000000',
  },
}

SCSS

$custom: #576bd1;
$custom-light: #9095e0;
$custom-dark: #000000;

JSON

{
  "hex": "#576bd1",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 209
  },
  "hsl": {
    "h": 230.164,
    "s": 57.009,
    "l": 58.039
  },
  "oklch": {
    "l": 0.56417,
    "c": 0.15767,
    "h": 272.1
  },
  "luminance": 0.17145
}

Semantic roles & 50–950 ramp

primary

#576BD1

secondary

#DAD2AA

accent

#C748E0

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #576BD1

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

Preview Lab → · Contrast checker → · Palette generator →