#576EC9#576EC9

#576EC9 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.5% C 0.143 H 270.6°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#576EC9
RGB	rgb(87, 110, 201)
HSL	hsl(228, 51%, 56%)
HSV	hsv(228, 57%, 79%)
CMYK	cmyk(56.7%, 45.3%, 0%, 21.2%)
CIE-LAB	lab(48.75, 18.52, -50.06)
CIE-LCH	lch(48.75, 53.38, 290.30°)
OKLab	oklab(56.5% 0.0015 -0.1426)
OKLCH	oklch(56.5% 0.143 270.6)
XYZ	xyz(20.0455, 17.3936, 57.5480)
Luminance	0.1739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576EC9 #C9B257

analogous

#57A7C9 #576EC9 #7957C9

triadic

#576EC9 #C9576E #6EC957

tetradic

#576EC9 #C957A7 #C9B257 #57C979

square

#576EC9 #C957A7 #C9B257 #57C979

split-complementary

#576EC9 #C97957 #A7C957

monochromatic

#28397D #374FAC #576EC9 #8596D8 #B4BEE7

Accessibility & contrast

On white

4.69

#576EC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#576EC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576EC9

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576EC9	#FFFFFF	#000000	##FFFFFF
##576EC9	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4579CC

Deuteranopia (green-blind)

#356FC7

Tritanopia (blue-blind)

#0B8292

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #576ec9;
/* rgb */ color: rgb(87, 110, 201);
/* oklch */ color: oklch(56.5% 0.143 270.6);

Tailwind

colors: {
  custom: {
    50: '#8f97da',
    500: '#576ec9',
    950: '#000000',
  },
}

SCSS

$custom: #576ec9;
$custom-light: #8f97da;
$custom-dark: #000000;

JSON

{
  "hex": "#576ec9",
  "rgb": {
    "r": 87,
    "g": 110,
    "b": 201
  },
  "hsl": {
    "h": 227.895,
    "s": 51.351,
    "l": 56.471
  },
  "oklch": {
    "l": 0.56499,
    "c": 0.14264,
    "h": 270.6
  },
  "luminance": 0.17395
}

Semantic roles & 50–950 ramp

primary

#576EC9

secondary

#D5CCA7

accent

#BE4DDB

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #576EC9

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

Preview Lab → · Contrast checker → · Palette generator →