#575FB9#575FB9

#575FB9 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.4% C 0.140 H 276.6°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#575FB9
RGB	rgb(87, 95, 185)
HSL	hsl(235, 41%, 53%)
HSV	hsv(235, 53%, 73%)
CMYK	cmyk(53%, 48.6%, 0%, 27.5%)
CIE-LAB	lab(43.82, 22.64, -48.71)
CIE-LCH	lch(43.82, 53.72, 294.93°)
OKLab	oklab(52.44% 0.0161 -0.1388)
OKLCH	oklch(52.44% 0.14 276.6)
XYZ	xyz(16.7769, 13.7124, 47.6522)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575FB9 #B9B157

analogous

#5790B9 #575FB9 #8057B9

triadic

#575FB9 #B9575F #5FB957

tetradic

#575FB9 #B95790 #B9B157 #57B980

square

#575FB9 #B95790 #B9B157 #57B980

split-complementary

#575FB9 #B98057 #90B957

monochromatic

#2C316A #3E4595 #575FB9 #8288CB #ADB1DD

Accessibility & contrast

On white

5.61

#575FB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#575FB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575FB9

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575FB9	#FFFFFF	#000000	##FFFFFF
##575FB9	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356CBC

Deuteranopia (green-blind)

#2A64B7

Tritanopia (blue-blind)

#2B7383

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #575fb9;
/* rgb */ color: rgb(87, 95, 185);
/* oklch */ color: oklch(52.4% 0.140 276.6);

Tailwind

colors: {
  custom: {
    50: '#8d8cce',
    500: '#575fb9',
    950: '#000000',
  },
}

SCSS

$custom: #575fb9;
$custom-light: #8d8cce;
$custom-dark: #000000;

JSON

{
  "hex": "#575fb9",
  "rgb": {
    "r": 87,
    "g": 95,
    "b": 185
  },
  "hsl": {
    "h": 235.102,
    "s": 41.176,
    "l": 53.333
  },
  "oklch": {
    "l": 0.5244,
    "c": 0.13974,
    "h": 276.6
  },
  "luminance": 0.13713
}

Semantic roles & 50–950 ramp

primary

#575FB9

secondary

#CBC8A1

accent

#C757D1

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #575FB9

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

Preview Lab → · Contrast checker → · Palette generator →