#576EE9#576EE9

#576EE9 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.7% C 0.187 H 271.5°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#576EE9
RGB	rgb(87, 110, 233)
HSL	hsl(231, 77%, 63%)
HSV	hsv(231, 63%, 91%)
CMYK	cmyk(62.7%, 52.8%, 0%, 8.6%)
CIE-LAB	lab(50.76, 29.20, -64.98)
CIE-LCH	lch(50.76, 71.24, 294.20°)
OKLab	oklab(58.66% 0.0049 -0.1865)
OKLCH	oklch(58.66% 0.187 271.5)
XYZ	xyz(24.2095, 19.0592, 79.4780)
Luminance	0.1906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576EE9 #E9D257

analogous

#57B7E9 #576EE9 #8957E9

triadic

#576EE9 #E9576E #6EE957

tetradic

#576EE9 #E957B7 #E9D257 #57E989

square

#576EE9 #E957B7 #E9D257 #57E989

split-complementary

#576EE9 #E98957 #B7E957

monochromatic

#172FAF #213FE2 #576EE9 #8D9DF0 #C3CBF7

Accessibility & contrast

On white

4.36

#576EE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#576EE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #576EE9

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576EE9	#FFFFFF	#000000	##000000
##576EE9	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C80ED

Deuteranopia (green-blind)

#0073E6

Tritanopia (blue-blind)

#008BA1

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #576ee9;
/* rgb */ color: rgb(87, 110, 233);
/* oklch */ color: oklch(58.7% 0.187 271.5);

Tailwind

colors: {
  custom: {
    50: '#9497f1',
    500: '#576ee9',
    950: '#000000',
  },
}

SCSS

$custom: #576ee9;
$custom-light: #9497f1;
$custom-dark: #000000;

JSON

{
  "hex": "#576ee9",
  "rgb": {
    "r": 87,
    "g": 110,
    "b": 233
  },
  "hsl": {
    "h": 230.548,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.58661,
    "c": 0.18656,
    "h": 271.5
  },
  "luminance": 0.19061
}

Semantic roles & 50–950 ramp

primary

#576EE9

secondary

#E8E0B3

accent

#B90CD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #576EE9

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

Preview Lab → · Contrast checker → · Palette generator →