#576BE1#576BE1

#576BE1 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.5% C 0.180 H 272.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#576BE1
RGB	rgb(87, 107, 225)
HSL	hsl(231, 70%, 61%)
HSV	hsv(231, 61%, 88%)
CMYK	cmyk(61.3%, 52.4%, 0%, 11.8%)
CIE-LAB	lab(49.47, 28.37, -62.56)
CIE-LCH	lch(49.47, 68.69, 294.39°)
OKLab	oklab(57.52% 0.0072 -0.1794)
OKLCH	oklch(57.52% 0.18 272.3)
XYZ	xyz(22.7743, 17.9760, 73.4891)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BE1 #E1CD57

analogous

#57B0E1 #576BE1 #8857E1

triadic

#576BE1 #E1576B #6BE157

tetradic

#576BE1 #E157B0 #E1CD57 #57E188

square

#576BE1 #E157B0 #E1CD57 #57E188

split-complementary

#576BE1 #E18857 #B0E157

monochromatic

#1D30A1 #263FD5 #576BE1 #8B99EA #BFC6F4

Accessibility & contrast

On white

4.57

#576BE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#576BE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #576BE1

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BE1	#FFFFFF	#000000	##000000
##576BE1	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#217CE5

Deuteranopia (green-blind)

#0070DF

Tritanopia (blue-blind)

#00879C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #576be1;
/* rgb */ color: rgb(87, 107, 225);
/* oklch */ color: oklch(57.5% 0.180 272.3);

Tailwind

colors: {
  custom: {
    50: '#9395eb',
    500: '#576be1',
    950: '#000000',
  },
}

SCSS

$custom: #576be1;
$custom-light: #9395eb;
$custom-dark: #000000;

JSON

{
  "hex": "#576be1",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 225
  },
  "hsl": {
    "h": 231.304,
    "s": 69.697,
    "l": 61.176
  },
  "oklch": {
    "l": 0.57521,
    "c": 0.17956,
    "h": 272.3
  },
  "luminance": 0.17978
}

Semantic roles & 50–950 ramp

primary

#576BE1

secondary

#E4DCB0

accent

#B614D2

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #576BE1

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

Preview Lab → · Contrast checker → · Palette generator →