#575FCB#575FCB

#575FCB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.7% C 0.165 H 276.1°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#575FCB
RGB	rgb(87, 95, 203)
HSL	hsl(236, 53%, 57%)
HSV	hsv(236, 57%, 80%)
CMYK	cmyk(57.1%, 53.2%, 0%, 20.4%)
CIE-LAB	lab(44.97, 28.51, -57.28)
CIE-LCH	lch(44.97, 63.99, 296.46°)
OKLab	oklab(53.68% 0.0176 -0.164)
OKLCH	oklch(53.68% 0.165 276.1)
XYZ	xyz(18.7987, 14.5211, 58.3006)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575FCB #CBC357

analogous

#5799CB #575FCB #8957CB

triadic

#575FCB #CB575F #5FCB57

tetradic

#575FCB #CB5799 #CBC357 #57CB89

square

#575FCB #CB5799 #CBC357 #57CB89

split-complementary

#575FCB #CB8957 #99CB57

monochromatic

#282E80 #363EAF #575FCB #868CD9 #B4B8E8

Accessibility & contrast

On white

5.38

#575FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#575FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575FCB

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575FCB	#FFFFFF	#000000	##FFFFFF
##575FCB	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D6FCF

Deuteranopia (green-blind)

#0066C9

Tritanopia (blue-blind)

#0D788C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #575fcb;
/* rgb */ color: rgb(87, 95, 203);
/* oklch */ color: oklch(53.7% 0.165 276.1);

Tailwind

colors: {
  custom: {
    50: '#908cdb',
    500: '#575fcb',
    950: '#000000',
  },
}

SCSS

$custom: #575fcb;
$custom-light: #908cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#575fcb",
  "rgb": {
    "r": 87,
    "g": 95,
    "b": 203
  },
  "hsl": {
    "h": 235.862,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.53678,
    "c": 0.16496,
    "h": 276.1
  },
  "luminance": 0.14522
}

Semantic roles & 50–950 ramp

primary

#575FCB

secondary

#D7D3A7

accent

#D24CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #575FCB

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

Preview Lab → · Contrast checker → · Palette generator →