#5756CF#5756CF

#5756CF is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.3% C 0.182 H 278.4°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#5756CF
RGB	rgb(87, 86, 207)
HSL	hsl(240, 56%, 57%)
HSV	hsv(240, 58%, 81%)
CMYK	cmyk(58%, 58.5%, 0%, 18.8%)
CIE-LAB	lab(43.04, 35.37, -62.71)
CIE-LCH	lch(43.04, 71.99, 299.42°)
OKLab	oklab(52.33% 0.0267 -0.18)
OKLCH	oklch(52.33% 0.182 278.4)
XYZ	xyz(18.5172, 13.1855, 60.5887)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5756CF #CECF56

analogous

#5691CF #5756CF #9456CF

triadic

#5756CF #CF5756 #56CF57

tetradic

#5756CF #CF5691 #CECF56 #56CF94

square

#5756CF #CF5691 #CECF56 #56CF94

split-complementary

#5756CF #CF9456 #91CF56

monochromatic

#272685 #3433B5 #5756CF #8686DD #B6B5EA

Accessibility & contrast

On white

5.77

#5756CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#5756CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5756CF

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5756CF	#FFFFFF	#000000	##FFFFFF
##5756CF	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#0061CD

Tritanopia (blue-blind)

#03738A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5756cf;
/* rgb */ color: rgb(87, 86, 207);
/* oklch */ color: oklch(52.3% 0.182 278.4);

Tailwind

colors: {
  custom: {
    50: '#9186de',
    500: '#5756cf',
    950: '#000000',
  },
}

SCSS

$custom: #5756cf;
$custom-light: #9186de;
$custom-dark: #000000;

JSON

{
  "hex": "#5756cf",
  "rgb": {
    "r": 87,
    "g": 86,
    "b": 207
  },
  "hsl": {
    "h": 240.496,
    "s": 55.76,
    "l": 57.451
  },
  "oklch": {
    "l": 0.5233,
    "c": 0.18201,
    "h": 278.4
  },
  "luminance": 0.13187
}

Semantic roles & 50–950 ramp

primary

#5756CF

secondary

#D8D9A8

accent

#DF49DE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5756CF

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

Preview Lab → · Contrast checker → · Palette generator →