#575FB3#575FB3

#575FB3 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.0% C 0.131 H 276.7°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#575FB3
RGB	rgb(87, 95, 179)
HSL	hsl(235, 38%, 52%)
HSV	hsv(235, 51%, 70%)
CMYK	cmyk(51.4%, 46.9%, 0%, 29.8%)
CIE-LAB	lab(43.45, 20.71, -45.79)
CIE-LCH	lch(43.45, 50.25, 294.33°)
OKLab	oklab(52.05% 0.0154 -0.1302)
OKLCH	oklch(52.05% 0.131 276.7)
XYZ	xyz(16.1568, 13.4643, 44.3866)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575FB3 #B3AB57

analogous

#578DB3 #575FB3 #7D57B3

triadic

#575FB3 #B3575F #5FB357

tetradic

#575FB3 #B3578D #B3AB57 #57B37D

square

#575FB3 #B3578D #B3AB57 #57B37D

split-complementary

#575FB3 #B37D57 #8DB357

monochromatic

#2D3163 #40478D #575FB3 #8187C6 #ABAFD9

Accessibility & contrast

On white

5.69

#575FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#575FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575FB3

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575FB3	#FFFFFF	#000000	##FFFFFF
##575FB3	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6BB6

Deuteranopia (green-blind)

#3163B1

Tritanopia (blue-blind)

#317180

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #575fb3;
/* rgb */ color: rgb(87, 95, 179);
/* oklch */ color: oklch(52.0% 0.131 276.7);

Tailwind

colors: {
  custom: {
    50: '#8c8cca',
    500: '#575fb3',
    950: '#000000',
  },
}

SCSS

$custom: #575fb3;
$custom-light: #8c8cca;
$custom-dark: #000000;

JSON

{
  "hex": "#575fb3",
  "rgb": {
    "r": 87,
    "g": 95,
    "b": 179
  },
  "hsl": {
    "h": 234.783,
    "s": 37.705,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52048,
    "c": 0.13112,
    "h": 276.7
  },
  "luminance": 0.13465
}

Semantic roles & 50–950 ramp

primary

#575FB3

secondary

#C7C39F

accent

#C45ACE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0D0C13

muted

#7D7D82

Preview Lab

Preview with #575FB3

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

Preview Lab → · Contrast checker → · Palette generator →