#3556BD#3556BD

#3556BD is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.9% C 0.167 H 266.7°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#3556BD
RGB	rgb(53, 86, 189)
HSL	hsl(225, 56%, 47%)
HSV	hsv(225, 72%, 74%)
CMYK	cmyk(72%, 54.5%, 0%, 25.9%)
CIE-LAB	lab(39.72, 23.73, -57.75)
CIE-LCH	lch(39.72, 62.43, 292.34°)
OKLab	oklab(48.91% -0.0096 -0.1663)
OKLCH	oklch(48.91% 0.167 266.7)
XYZ	xyz(13.9781, 11.0851, 49.5372)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3556BD #BD9C35

analogous

#359ABD #3556BD #5835BD

triadic

#3556BD #BD3556 #56BD35

tetradic

#3556BD #BD359A #BD9C35 #35BD58

square

#3556BD #BD359A #BD9C35 #35BD58

split-complementary

#3556BD #BD5835 #9ABD35

monochromatic

#1A2B5D #28408D #3556BD #5D7AD2 #8DA1DF

Accessibility & contrast

On white

6.53

#3556BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3556BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3556BD

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3556BD	#FFFFFF	#000000	##FFFFFF
##3556BD	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C1

Deuteranopia (green-blind)

#0058BB

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3556bd;
/* rgb */ color: rgb(53, 86, 189);
/* oklch */ color: oklch(48.9% 0.167 266.7);

Tailwind

colors: {
  custom: {
    50: '#7e85d2',
    500: '#3556bd',
    950: '#000000',
  },
}

SCSS

$custom: #3556bd;
$custom-light: #7e85d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3556bd",
  "rgb": {
    "r": 53,
    "g": 86,
    "b": 189
  },
  "hsl": {
    "h": 225.441,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48909,
    "c": 0.16656,
    "h": 266.7
  },
  "luminance": 0.11087
}

Semantic roles & 50–950 ramp

primary

#3556BD

secondary

#CAB984

accent

#BB48DF

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3556BD

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

Preview Lab → · Contrast checker → · Palette generator →