#575ECB#575ECB

#575ECB is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.5% C 0.166 H 276.4°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#575ECB
RGB	rgb(87, 94, 203)
HSL	hsl(236, 53%, 57%)
HSV	hsv(236, 57%, 80%)
CMYK	cmyk(57.1%, 53.7%, 0%, 20.4%)
CIE-LAB	lab(44.72, 29.13, -57.69)
CIE-LCH	lch(44.72, 64.63, 296.79°)
OKLab	oklab(53.49% 0.0187 -0.1652)
OKLCH	oklch(53.49% 0.166 276.4)
XYZ	xyz(18.7092, 14.3421, 58.2707)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575ECB #CBC457

analogous

#5798CB #575ECB #8A57CB

triadic

#575ECB #CB575E #5ECB57

tetradic

#575ECB #CB5798 #CBC457 #57CB8A

square

#575ECB #CB5798 #CBC457 #57CB8A

split-complementary

#575ECB #CB8A57 #98CB57

monochromatic

#282D80 #363DAF #575ECB #868BD9 #B4B8E8

Accessibility & contrast

On white

5.43

#575ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#575ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575ECB

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575ECB	#FFFFFF	#000000	##FFFFFF
##575ECB	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#196FCF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#0E778B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #575ecb;
/* rgb */ color: rgb(87, 94, 203);
/* oklch */ color: oklch(53.5% 0.166 276.4);

Tailwind

colors: {
  custom: {
    50: '#908bdb',
    500: '#575ecb',
    950: '#000000',
  },
}

SCSS

$custom: #575ecb;
$custom-light: #908bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#575ecb",
  "rgb": {
    "r": 87,
    "g": 94,
    "b": 203
  },
  "hsl": {
    "h": 236.379,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.5349,
    "c": 0.16627,
    "h": 276.4
  },
  "luminance": 0.14343
}

Semantic roles & 50–950 ramp

primary

#575ECB

secondary

#D7D4A7

accent

#D34CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #575ECB

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

Preview Lab → · Contrast checker → · Palette generator →