#3553BA#3553BA

#3553BA is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.1% C 0.166 H 267.5°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#3553BA
RGB	rgb(53, 83, 186)
HSL	hsl(226, 56%, 47%)
HSV	hsv(226, 72%, 73%)
CMYK	cmyk(71.5%, 55.4%, 0%, 27.1%)
CIE-LAB	lab(38.70, 24.58, -57.65)
CIE-LCH	lch(38.70, 62.67, 293.09°)
OKLab	oklab(48.07% -0.0074 -0.166)
OKLCH	oklch(48.07% 0.166 267.5)
XYZ	xyz(13.4213, 10.4872, 47.7618)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3553BA #BA9C35

analogous

#3596BA #3553BA #5935BA

triadic

#3553BA #BA3553 #53BA35

tetradic

#3553BA #BA3596 #BA9C35 #35BA59

square

#3553BA #BA3596 #BA9C35 #35BA59

split-complementary

#3553BA #BA5935 #96BA35

monochromatic

#1A285B #273E8A #3553BA #5C76D0 #8B9EDE

Accessibility & contrast

On white

6.78

#3553BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3553BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3553BA

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3553BA	#FFFFFF	#000000	##FFFFFF
##3553BA	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BE

Deuteranopia (green-blind)

#0055B8

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3553ba;
/* rgb */ color: rgb(53, 83, 186);
/* oklch */ color: oklch(48.1% 0.166 267.5);

Tailwind

colors: {
  custom: {
    50: '#7d82cf',
    500: '#3553ba',
    950: '#000000',
  },
}

SCSS

$custom: #3553ba;
$custom-light: #7d82cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3553ba",
  "rgb": {
    "r": 53,
    "g": 83,
    "b": 186
  },
  "hsl": {
    "h": 226.466,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.48071,
    "c": 0.16619,
    "h": 267.5
  },
  "luminance": 0.10489
}

Semantic roles & 50–950 ramp

primary

#3553BA

secondary

#C8B982

accent

#BD49DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3553BA

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

Preview Lab → · Contrast checker → · Palette generator →