#3552B9#3552B9

#3552B9 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.8% C 0.166 H 267.7°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#3552B9
RGB	rgb(53, 82, 185)
HSL	hsl(227, 55%, 47%)
HSV	hsv(227, 71%, 73%)
CMYK	cmyk(71.4%, 55.7%, 0%, 27.5%)
CIE-LAB	lab(38.36, 24.86, -57.61)
CIE-LCH	lch(38.36, 62.75, 293.34°)
OKLab	oklab(47.79% -0.0066 -0.1659)
OKLCH	oklch(47.79% 0.166 267.7)
XYZ	xyz(13.2394, 10.2929, 47.1785)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3552B9 #B99C35

analogous

#3594B9 #3552B9 #5A35B9

triadic

#3552B9 #B93552 #52B935

tetradic

#3552B9 #B93594 #B99C35 #35B95A

square

#3552B9 #B93594 #B99C35 #35B95A

split-complementary

#3552B9 #B95A35 #94B935

monochromatic

#1A285A #273D89 #3552B9 #5B75D0 #8B9DDE

Accessibility & contrast

On white

6.87

#3552B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3552B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3552B9

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3552B9	#FFFFFF	#000000	##FFFFFF
##3552B9	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BD

Deuteranopia (green-blind)

#0054B7

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3552b9;
/* rgb */ color: rgb(53, 82, 185);
/* oklch */ color: oklch(47.8% 0.166 267.7);

Tailwind

colors: {
  custom: {
    50: '#7d82cf',
    500: '#3552b9',
    950: '#000000',
  },
}

SCSS

$custom: #3552b9;
$custom-light: #7d82cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3552b9",
  "rgb": {
    "r": 53,
    "g": 82,
    "b": 185
  },
  "hsl": {
    "h": 226.818,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.47792,
    "c": 0.16607,
    "h": 267.7
  },
  "luminance": 0.10294
}

Semantic roles & 50–950 ramp

primary

#3552B9

secondary

#C8B982

accent

#BE49DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3552B9

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

Preview Lab → · Contrast checker → · Palette generator →