#3552BB#3552BB

#3552BB is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.0% C 0.169 H 267.8°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3552BB
RGB	rgb(53, 82, 187)
HSL	hsl(227, 56%, 47%)
HSV	hsv(227, 72%, 73%)
CMYK	cmyk(71.7%, 56.1%, 0%, 26.7%)
CIE-LAB	lab(38.51, 25.60, -58.54)
CIE-LCH	lch(38.51, 63.90, 293.62°)
OKLab	oklab(47.95% -0.0065 -0.1687)
OKLCH	oklch(47.95% 0.169 267.8)
XYZ	xyz(13.4520, 10.3779, 48.2983)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3552BB #BB9E35

analogous

#3595BB #3552BB #5B35BB

triadic

#3552BB #BB3552 #52BB35

tetradic

#3552BB #BB3595 #BB9E35 #35BB5B

square

#3552BB #BB3595 #BB9E35 #35BB5B

split-complementary

#3552BB #BB5B35 #95BB35

monochromatic

#1A285C #273D8B #3552BB #5C76D1 #8C9EDE

Accessibility & contrast

On white

6.83

#3552BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3552BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3552BB

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3552BB	#FFFFFF	#000000	##FFFFFF
##3552BB	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3552bb;
/* rgb */ color: rgb(53, 82, 187);
/* oklch */ color: oklch(48.0% 0.169 267.8);

Tailwind

colors: {
  custom: {
    50: '#7e82d0',
    500: '#3552bb',
    950: '#000000',
  },
}

SCSS

$custom: #3552bb;
$custom-light: #7e82d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3552bb",
  "rgb": {
    "r": 53,
    "g": 82,
    "b": 187
  },
  "hsl": {
    "h": 227.015,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.47951,
    "c": 0.1688,
    "h": 267.8
  },
  "luminance": 0.10379
}

Semantic roles & 50–950 ramp

primary

#3552BB

secondary

#C9BA83

accent

#BF49DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3552BB

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

Preview Lab → · Contrast checker → · Palette generator →