#575BB9#575BB9

#575BB9 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.7% C 0.145 H 278.2°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#575BB9
RGB	rgb(87, 91, 185)
HSL	hsl(238, 41%, 53%)
HSV	hsv(238, 53%, 73%)
CMYK	cmyk(53%, 50.8%, 0%, 27.5%)
CIE-LAB	lab(42.78, 25.15, -50.38)
CIE-LCH	lch(42.78, 56.31, 296.53°)
OKLab	oklab(51.66% 0.0207 -0.1437)
OKLCH	oklch(51.66% 0.145 278.2)
XYZ	xyz(16.4258, 13.0102, 47.5352)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575BB9 #B9B557

analogous

#578CB9 #575BB9 #8457B9

triadic

#575BB9 #B9575B #5BB957

tetradic

#575BB9 #B9578C #B9B557 #57B984

square

#575BB9 #B9578C #B9B557 #57B984

split-complementary

#575BB9 #B98457 #8CB957

monochromatic

#2C2F6A #3E4295 #575BB9 #8285CB #ADAFDD

Accessibility & contrast

On white

5.83

#575BB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#575BB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575BB9

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575BB9	#FFFFFF	#000000	##FFFFFF
##575BB9	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C69BC

Deuteranopia (green-blind)

#2061B7

Tritanopia (blue-blind)

#2C7081

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #575bb9;
/* rgb */ color: rgb(87, 91, 185);
/* oklch */ color: oklch(51.7% 0.145 278.2);

Tailwind

colors: {
  custom: {
    50: '#8e89cf',
    500: '#575bb9',
    950: '#000000',
  },
}

SCSS

$custom: #575bb9;
$custom-light: #8e89cf;
$custom-dark: #000000;

JSON

{
  "hex": "#575bb9",
  "rgb": {
    "r": 87,
    "g": 91,
    "b": 185
  },
  "hsl": {
    "h": 237.551,
    "s": 41.176,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51656,
    "c": 0.14523,
    "h": 278.2
  },
  "luminance": 0.13011
}

Semantic roles & 50–950 ramp

primary

#575BB9

secondary

#CBC9A1

accent

#CC57D1

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #575BB9

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

Preview Lab → · Contrast checker → · Palette generator →