#3556BF#3556BF

#3556BF is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.1% C 0.169 H 266.8°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3556BF
RGB	rgb(53, 86, 191)
HSL	hsl(226, 57%, 48%)
HSV	hsv(226, 72%, 75%)
CMYK	cmyk(72.3%, 55%, 0%, 25.1%)
CIE-LAB	lab(39.87, 24.47, -58.68)
CIE-LCH	lch(39.87, 63.58, 292.64°)
OKLab	oklab(49.07% -0.0094 -0.169)
OKLCH	oklch(49.07% 0.169 266.8)
XYZ	xyz(14.1967, 11.1726, 50.6884)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3556BF #BF9E35

analogous

#359BBF #3556BF #5935BF

triadic

#3556BF #BF3556 #56BF35

tetradic

#3556BF #BF359B #BF9E35 #35BF59

square

#3556BF #BF359B #BF9E35 #35BF59

split-complementary

#3556BF #BF5935 #9BBF35

monochromatic

#1A2B5F #28408F #3556BF #5F7AD3 #8FA2E0

Accessibility & contrast

On white

6.49

#3556BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#3556BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3556BF

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3556BF	#FFFFFF	#000000	##FFFFFF
##3556BF	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C3

Deuteranopia (green-blind)

#0058BD

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3556bf;
/* rgb */ color: rgb(53, 86, 191);
/* oklch */ color: oklch(49.1% 0.169 266.8);

Tailwind

colors: {
  custom: {
    50: '#7e85d3',
    500: '#3556bf',
    950: '#000000',
  },
}

SCSS

$custom: #3556bf;
$custom-light: #7e85d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3556bf",
  "rgb": {
    "r": 53,
    "g": 86,
    "b": 191
  },
  "hsl": {
    "h": 225.652,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49065,
    "c": 0.16927,
    "h": 266.8
  },
  "luminance": 0.11174
}

Semantic roles & 50–950 ramp

primary

#3556BF

secondary

#CABA85

accent

#BC48E0

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3556BF

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

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