#575DCF#575DCF

#575DCF is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.6% C 0.173 H 276.6°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#575DCF
RGB	rgb(87, 93, 207)
HSL	hsl(237, 56%, 58%)
HSV	hsv(237, 58%, 81%)
CMYK	cmyk(58%, 55.1%, 0%, 18.8%)
CIE-LAB	lab(44.74, 31.06, -59.95)
CIE-LCH	lch(44.74, 67.52, 297.39°)
OKLab	oklab(53.59% 0.0198 -0.1719)
OKLCH	oklch(53.59% 0.173 276.6)
XYZ	xyz(19.1037, 14.3585, 60.7842)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575DCF #CFC957

analogous

#5799CF #575DCF #8D57CF

triadic

#575DCF #CF575D #5DCF57

tetradic

#575DCF #CF5799 #CFC957 #57CF8D

square

#575DCF #CF5799 #CFC957 #57CF8D

split-complementary

#575DCF #CF8D57 #99CF57

monochromatic

#262B85 #343AB5 #575DCF #878BDD #B6B9EA

Accessibility & contrast

On white

5.42

#575DCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#575DCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575DCF

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575DCF	#FFFFFF	#000000	##FFFFFF
##575DCF	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#066FD3

Deuteranopia (green-blind)

#0065CD

Tritanopia (blue-blind)

#00788D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #575dcf;
/* rgb */ color: rgb(87, 93, 207);
/* oklch */ color: oklch(53.6% 0.173 276.6);

Tailwind

colors: {
  custom: {
    50: '#918bde',
    500: '#575dcf',
    950: '#000000',
  },
}

SCSS

$custom: #575dcf;
$custom-light: #918bde;
$custom-dark: #000000;

JSON

{
  "hex": "#575dcf",
  "rgb": {
    "r": 87,
    "g": 93,
    "b": 207
  },
  "hsl": {
    "h": 237,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.53594,
    "c": 0.17302,
    "h": 276.6
  },
  "luminance": 0.1436
}

Semantic roles & 50–950 ramp

primary

#575DCF

secondary

#D9D7A9

accent

#D749DF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #575DCF

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

Preview Lab → · Contrast checker → · Palette generator →