#575BC9#575BC9

#575BC9 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.8% C 0.167 H 277.4°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#575BC9
RGB	rgb(87, 91, 201)
HSL	hsl(238, 51%, 56%)
HSV	hsv(238, 57%, 79%)
CMYK	cmyk(56.7%, 54.7%, 0%, 21.2%)
CIE-LAB	lab(43.83, 30.34, -57.97)
CIE-LCH	lch(43.83, 65.43, 297.63°)
OKLab	oklab(52.79% 0.0217 -0.1661)
OKLCH	oklch(52.79% 0.167 277.4)
XYZ	xyz(18.2108, 13.7242, 56.9364)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575BC9 #C9C557

analogous

#5794C9 #575BC9 #8C57C9

triadic

#575BC9 #C9575B #5BC957

tetradic

#575BC9 #C95794 #C9C557 #57C98C

square

#575BC9 #C95794 #C9C557 #57C98C

split-complementary

#575BC9 #C98C57 #94C957

monochromatic

#282B7D #373BAC #575BC9 #8588D8 #B4B5E7

Accessibility & contrast

On white

5.61

#575BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#575BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575BC9

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575BC9	#FFFFFF	#000000	##FFFFFF
##575BC9	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F6CCD

Deuteranopia (green-blind)

#0063C7

Tritanopia (blue-blind)

#147489

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #575bc9;
/* rgb */ color: rgb(87, 91, 201);
/* oklch */ color: oklch(52.8% 0.167 277.4);

Tailwind

colors: {
  custom: {
    50: '#9089da',
    500: '#575bc9',
    950: '#000000',
  },
}

SCSS

$custom: #575bc9;
$custom-light: #9089da;
$custom-dark: #000000;

JSON

{
  "hex": "#575bc9",
  "rgb": {
    "r": 87,
    "g": 91,
    "b": 201
  },
  "hsl": {
    "h": 237.895,
    "s": 51.351,
    "l": 56.471
  },
  "oklch": {
    "l": 0.52785,
    "c": 0.16747,
    "h": 277.4
  },
  "luminance": 0.13725
}

Semantic roles & 50–950 ramp

primary

#575BC9

secondary

#D5D4A7

accent

#D64DDB

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #575BC9

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

Preview Lab → · Contrast checker → · Palette generator →