#575FB5#575FB5

#575FB5 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.134 H 276.7°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#575FB5
RGB	rgb(87, 95, 181)
HSL	hsl(235, 39%, 53%)
HSV	hsv(235, 52%, 71%)
CMYK	cmyk(51.9%, 47.5%, 0%, 29%)
CIE-LAB	lab(43.57, 21.35, -46.77)
CIE-LCH	lch(43.57, 51.41, 294.54°)
OKLab	oklab(52.18% 0.0156 -0.1331)
OKLCH	oklch(52.18% 0.134 276.7)
XYZ	xyz(16.3606, 13.5458, 45.4596)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575FB5 #B5AD57

analogous

#578EB5 #575FB5 #7E57B5

triadic

#575FB5 #B5575F #5FB557

tetradic

#575FB5 #B5578E #B5AD57 #57B57E

square

#575FB5 #B5578E #B5AD57 #57B57E

split-complementary

#575FB5 #B57E57 #8EB557

monochromatic

#2D3165 #3F4690 #575FB5 #8187C8 #ACB0DA

Accessibility & contrast

On white

5.66

#575FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#575FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575FB5

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575FB5	#FFFFFF	#000000	##FFFFFF
##575FB5	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396BB8

Deuteranopia (green-blind)

#2F63B3

Tritanopia (blue-blind)

#2F7281

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #575fb5;
/* rgb */ color: rgb(87, 95, 181);
/* oklch */ color: oklch(52.2% 0.134 276.7);

Tailwind

colors: {
  custom: {
    50: '#8d8ccc',
    500: '#575fb5',
    950: '#000000',
  },
}

SCSS

$custom: #575fb5;
$custom-light: #8d8ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#575fb5",
  "rgb": {
    "r": 87,
    "g": 95,
    "b": 181
  },
  "hsl": {
    "h": 234.894,
    "s": 38.843,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52177,
    "c": 0.13401,
    "h": 276.7
  },
  "luminance": 0.13547
}

Semantic roles & 50–950 ramp

primary

#575FB5

secondary

#C8C59F

accent

#C559CF

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #575FB5

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

Preview Lab → · Contrast checker → · Palette generator →