#3553AA#3553AA

#3553AA is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.8% C 0.144 H 266.5°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#3553AA
RGB	rgb(53, 83, 170)
HSL	hsl(225, 52%, 44%)
HSV	hsv(225, 69%, 67%)
CMYK	cmyk(68.8%, 51.2%, 0%, 33.3%)
CIE-LAB	lab(37.56, 18.66, -50.05)
CIE-LCH	lch(37.56, 53.42, 290.45°)
OKLab	oklab(46.85% -0.0087 -0.1437)
OKLCH	oklch(46.85% 0.144 266.5)
XYZ	xyz(11.8146, 9.8445, 39.3000)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3553AA #AA8C35

analogous

#358DAA #3553AA #5135AA

triadic

#3553AA #AA3553 #53AA35

tetradic

#3553AA #AA358D #AA8C35 #35AA51

square

#3553AA #AA358D #AA8C35 #35AA51

split-complementary

#3553AA #AA5135 #8DAA35

monochromatic

#18254D #263C7B #3553AA #5371C9 #8298D8

Accessibility & contrast

On white

7.07

#3553AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3553AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3553AA

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3553AA	#FFFFFF	#000000	##FFFFFF
##3553AA	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205EAD

Deuteranopia (green-blind)

#0053A8

Tritanopia (blue-blind)

#006876

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3553aa;
/* rgb */ color: rgb(53, 83, 170);
/* oklch */ color: oklch(46.8% 0.144 266.5);

Tailwind

colors: {
  custom: {
    50: '#7a82c4',
    500: '#3553aa',
    950: '#000000',
  },
}

SCSS

$custom: #3553aa;
$custom-light: #7a82c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3553aa",
  "rgb": {
    "r": 53,
    "g": 83,
    "b": 170
  },
  "hsl": {
    "h": 224.615,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.46846,
    "c": 0.14394,
    "h": 266.5
  },
  "luminance": 0.09846
}

Semantic roles & 50–950 ramp

primary

#3553AA

secondary

#C1AF7A

accent

#B74CDC

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3553AA

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

Preview Lab → · Contrast checker → · Palette generator →