#575BB2#575BB2

#575BB2 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.2% C 0.135 H 278.5°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#575BB2
RGB	rgb(87, 91, 178)
HSL	hsl(237, 37%, 52%)
HSV	hsv(237, 51%, 70%)
CMYK	cmyk(51.1%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(42.34, 22.90, -46.98)
CIE-LCH	lch(42.34, 52.27, 295.99°)
OKLab	oklab(51.19% 0.02 -0.1338)
OKLCH	oklch(51.19% 0.135 278.5)
XYZ	xyz(15.7050, 12.7218, 43.7389)
Luminance	0.1272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575BB2 #B2AE57

analogous

#5788B2 #575BB2 #8157B2

triadic

#575BB2 #B2575B #5BB257

tetradic

#575BB2 #B25788 #B2AE57 #57B281

square

#575BB2 #B25788 #B2AE57 #57B281

split-complementary

#575BB2 #B28157 #88B257

monochromatic

#2D2F62 #40438C #575BB2 #8184C5 #ABADD8

Accessibility & contrast

On white

5.92

#575BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#575BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575BB2

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575BB2	#FFFFFF	#000000	##FFFFFF
##575BB2	1.00	5.92	3.54	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3368B5

Deuteranopia (green-blind)

#2A60B0

Tritanopia (blue-blind)

#326E7E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #575bb2;
/* rgb */ color: rgb(87, 91, 178);
/* oklch */ color: oklch(51.2% 0.135 278.5);

Tailwind

colors: {
  custom: {
    50: '#8d89c9',
    500: '#575bb2',
    950: '#000000',
  },
}

SCSS

$custom: #575bb2;
$custom-light: #8d89c9;
$custom-dark: #000000;

JSON

{
  "hex": "#575bb2",
  "rgb": {
    "r": 87,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 237.363,
    "s": 37.143,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51185,
    "c": 0.13524,
    "h": 278.5
  },
  "luminance": 0.12723
}

Semantic roles & 50–950 ramp

primary

#575BB2

secondary

#C6C59E

accent

#C85BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0D0B13

muted

#7D7C82

Preview Lab

Preview with #575BB2

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

Preview Lab → · Contrast checker → · Palette generator →