#5357CF#5357CF

#5357CF is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.2% C 0.182 H 276.6°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#5357CF
RGB	rgb(83, 87, 207)
HSL	hsl(238, 56%, 57%)
HSV	hsv(238, 60%, 81%)
CMYK	cmyk(59.9%, 58%, 0%, 18.8%)
CIE-LAB	lab(43.00, 34.05, -62.78)
CIE-LCH	lch(43.00, 71.43, 298.48°)
OKLab	oklab(52.23% 0.021 -0.1804)
OKLCH	oklch(52.23% 0.182 276.6)
XYZ	xyz(18.2343, 13.1590, 60.5984)
Luminance	0.1316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5357CF #CFCB53

analogous

#5395CF #5357CF #8D53CF

triadic

#5357CF #CF5357 #57CF53

tetradic

#5357CF #CF5395 #CFCB53 #53CF8D

square

#5357CF #CF5395 #CFCB53 #53CF8D

split-complementary

#5357CF #CF8D53 #95CF53

monochromatic

#252883 #3236B3 #5357CF #8386DC #B3B4EA

Accessibility & contrast

On white

5.78

#5357CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#5357CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5357CF

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5357CF	#FFFFFF	#000000	##FFFFFF
##5357CF	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#0060CD

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5357cf;
/* rgb */ color: rgb(83, 87, 207);
/* oklch */ color: oklch(52.2% 0.182 276.6);

Tailwind

colors: {
  custom: {
    50: '#8f86de',
    500: '#5357cf',
    950: '#000000',
  },
}

SCSS

$custom: #5357cf;
$custom-light: #8f86de;
$custom-dark: #000000;

JSON

{
  "hex": "#5357cf",
  "rgb": {
    "r": 83,
    "g": 87,
    "b": 207
  },
  "hsl": {
    "h": 238.065,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52229,
    "c": 0.1816,
    "h": 276.6
  },
  "luminance": 0.1316
}

Semantic roles & 50–950 ramp

primary

#5357CF

secondary

#D8D7A6

accent

#DB48E0

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5357CF

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

Preview Lab → · Contrast checker → · Palette generator →