#575BC0#575BC0

#575BC0 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.1% C 0.155 H 277.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#575BC0
RGB	rgb(87, 91, 192)
HSL	hsl(238, 45%, 55%)
HSV	hsv(238, 55%, 75%)
CMYK	cmyk(54.7%, 52.6%, 0%, 24.7%)
CIE-LAB	lab(43.23, 27.41, -53.73)
CIE-LCH	lch(43.23, 60.32, 297.03°)
OKLab	oklab(52.14% 0.0212 -0.1536)
OKLCH	oklch(52.14% 0.155 277.9)
XYZ	xyz(17.1830, 13.3131, 51.5232)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575BC0 #C0BC57

analogous

#5790C0 #575BC0 #8757C0

triadic

#575BC0 #C0575B #5BC057

tetradic

#575BC0 #C05790 #C0BC57 #57C087

square

#575BC0 #C05790 #C0BC57 #57C087

split-complementary

#575BC0 #C08757 #90C057

monochromatic

#2B2D72 #3B3F9E #575BC0 #8486D1 #B0B2E1

Accessibility & contrast

On white

5.73

#575BC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#575BC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575BC0

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575BC0	#FFFFFF	#000000	##FFFFFF
##575BC0	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#236AC4

Deuteranopia (green-blind)

#0F62BE

Tritanopia (blue-blind)

#247285

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #575bc0;
/* rgb */ color: rgb(87, 91, 192);
/* oklch */ color: oklch(52.1% 0.155 277.9);

Tailwind

colors: {
  custom: {
    50: '#8f89d4',
    500: '#575bc0',
    950: '#000000',
  },
}

SCSS

$custom: #575bc0;
$custom-light: #8f89d4;
$custom-dark: #000000;

JSON

{
  "hex": "#575bc0",
  "rgb": {
    "r": 87,
    "g": 91,
    "b": 192
  },
  "hsl": {
    "h": 237.714,
    "s": 45.455,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52141,
    "c": 0.15506,
    "h": 277.9
  },
  "luminance": 0.13314
}

Semantic roles & 50–950 ramp

primary

#575BC0

secondary

#D0CEA3

accent

#D053D5

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #575BC0

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

Preview Lab → · Contrast checker → · Palette generator →