#5553CD#5553CD

#5553CD is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.5% C 0.184 H 278.5°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#5553CD
RGB	rgb(85, 83, 205)
HSL	hsl(241, 55%, 56%)
HSV	hsv(241, 60%, 80%)
CMYK	cmyk(58.5%, 59.5%, 0%, 19.6%)
CIE-LAB	lab(42.04, 36.20, -63.19)
CIE-LCH	lch(42.04, 72.83, 299.81°)
OKLab	oklab(51.51% 0.0272 -0.1815)
OKLCH	oklch(51.51% 0.184 278.5)
XYZ	xyz(17.8555, 12.5243, 59.2223)
Luminance	0.1253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5553CD #CBCD53

analogous

#538ECD #5553CD #9253CD

triadic

#5553CD #CD5553 #53CD55

tetradic

#5553CD #CD538E #CBCD53 #53CD92

square

#5553CD #CD538E #CBCD53 #53CD92

split-complementary

#5553CD #CD9253 #8ECD53

monochromatic

#272580 #3533B0 #5553CD #8482DB #B3B2E9

Accessibility & contrast

On white

5.99

#5553CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#5553CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5553CD

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5553CD	#FFFFFF	#000000	##FFFFFF
##5553CD	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D1

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#007088

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5553cd;
/* rgb */ color: rgb(85, 83, 205);
/* oklch */ color: oklch(51.5% 0.184 278.5);

Tailwind

colors: {
  custom: {
    50: '#9083dd',
    500: '#5553cd',
    950: '#000000',
  },
}

SCSS

$custom: #5553cd;
$custom-light: #9083dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5553cd",
  "rgb": {
    "r": 85,
    "g": 83,
    "b": 205
  },
  "hsl": {
    "h": 240.984,
    "s": 54.955,
    "l": 56.471
  },
  "oklch": {
    "l": 0.51505,
    "c": 0.18357,
    "h": 278.5
  },
  "luminance": 0.12526
}

Semantic roles & 50–950 ramp

primary

#5553CD

secondary

#D6D7A5

accent

#DE4ADC

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5553CD

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

Preview Lab → · Contrast checker → · Palette generator →