#5355CF#5355CF

#5355CF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.9% C 0.184 H 277.1°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5355CF
RGB	rgb(83, 85, 207)
HSL	hsl(239, 56%, 57%)
HSV	hsv(239, 60%, 81%)
CMYK	cmyk(59.9%, 58.9%, 0%, 18.8%)
CIE-LAB	lab(42.52, 35.28, -63.57)
CIE-LCH	lch(42.52, 72.70, 299.03°)
OKLab	oklab(51.87% 0.0229 -0.1827)
OKLCH	oklch(51.87% 0.184 277.1)
XYZ	xyz(18.0746, 12.8396, 60.5452)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5355CF #CFCD53

analogous

#5393CF #5355CF #8F53CF

triadic

#5355CF #CF5355 #55CF53

tetradic

#5355CF #CF5393 #CFCD53 #53CF8F

square

#5355CF #CF5393 #CFCD53 #53CF8F

split-complementary

#5355CF #CF8F53 #93CF53

monochromatic

#252683 #3234B3 #5355CF #8384DC #B3B4EA

Accessibility & contrast

On white

5.89

#5355CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#5355CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5355CF

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5355CF	#FFFFFF	#000000	##FFFFFF
##5355CF	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005FCD

Tritanopia (blue-blind)

#00738A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5355cf;
/* rgb */ color: rgb(83, 85, 207);
/* oklch */ color: oklch(51.9% 0.184 277.1);

Tailwind

colors: {
  custom: {
    50: '#8f85df',
    500: '#5355cf',
    950: '#000000',
  },
}

SCSS

$custom: #5355cf;
$custom-light: #8f85df;
$custom-dark: #000000;

JSON

{
  "hex": "#5355cf",
  "rgb": {
    "r": 83,
    "g": 85,
    "b": 207
  },
  "hsl": {
    "h": 239.032,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.51873,
    "c": 0.18412,
    "h": 277.1
  },
  "luminance": 0.12841
}

Semantic roles & 50–950 ramp

primary

#5355CF

secondary

#D8D7A6

accent

#DD48E0

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5355CF

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

Preview Lab → · Contrast checker → · Palette generator →