#5553CB#5553CB

#5553CB is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.3% C 0.181 H 278.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#5553CB
RGB	rgb(85, 83, 203)
HSL	hsl(241, 54%, 56%)
HSV	hsv(241, 59%, 80%)
CMYK	cmyk(58.1%, 59.1%, 0%, 20.4%)
CIE-LAB	lab(41.89, 35.55, -62.28)
CIE-LCH	lch(41.89, 71.71, 299.72°)
OKLab	oklab(51.35% 0.0272 -0.1789)
OKLCH	oklch(51.35% 0.181 278.7)
XYZ	xyz(17.6156, 12.4284, 57.9590)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5553CB #C9CB53

analogous

#538DCB #5553CB #9153CB

triadic

#5553CB #CB5553 #53CB55

tetradic

#5553CB #CB538D #C9CB53 #53CB91

square

#5553CB #CB538D #C9CB53 #53CB91

split-complementary

#5553CB #CB9153 #8DCB53

monochromatic

#27267E #3634AD #5553CB #8382D9 #B2B1E7

Accessibility & contrast

On white

6.02

#5553CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#5553CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5553CB

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5553CB	#FFFFFF	#000000	##FFFFFF
##5553CB	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#027087

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5553cb;
/* rgb */ color: rgb(85, 83, 203);
/* oklch */ color: oklch(51.3% 0.181 278.7);

Tailwind

colors: {
  custom: {
    50: '#9083dc',
    500: '#5553cb',
    950: '#000000',
  },
}

SCSS

$custom: #5553cb;
$custom-light: #9083dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5553cb",
  "rgb": {
    "r": 85,
    "g": 83,
    "b": 203
  },
  "hsl": {
    "h": 241,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51349,
    "c": 0.18093,
    "h": 278.7
  },
  "luminance": 0.1243
}

Semantic roles & 50–950 ramp

primary

#5553CB

secondary

#D5D6A4

accent

#DD4BDB

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5553CB

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

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