#3556BC#3556BC

#3556BC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.165 H 266.6°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3556BC
RGB	rgb(53, 86, 188)
HSL	hsl(225, 56%, 47%)
HSV	hsv(225, 72%, 74%)
CMYK	cmyk(71.8%, 54.3%, 0%, 26.3%)
CIE-LAB	lab(39.65, 23.36, -57.28)
CIE-LCH	lch(39.65, 61.86, 292.19°)
OKLab	oklab(48.83% -0.0097 -0.1649)
OKLCH	oklch(48.83% 0.165 266.6)
XYZ	xyz(13.8699, 11.0419, 48.9675)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3556BC #BC9B35

analogous

#359ABC #3556BC #5735BC

triadic

#3556BC #BC3556 #56BC35

tetradic

#3556BC #BC359A #BC9B35 #35BC57

square

#3556BC #BC359A #BC9B35 #35BC57

split-complementary

#3556BC #BC5735 #9ABC35

monochromatic

#1A2A5D #28408C #3556BC #5D79D1 #8DA1DF

Accessibility & contrast

On white

6.54

#3556BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3556BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3556BC

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3556BC	#FFFFFF	#000000	##FFFFFF
##3556BC	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0164C0

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3556bc;
/* rgb */ color: rgb(53, 86, 188);
/* oklch */ color: oklch(48.8% 0.165 266.6);

Tailwind

colors: {
  custom: {
    50: '#7e85d1',
    500: '#3556bc',
    950: '#000000',
  },
}

SCSS

$custom: #3556bc;
$custom-light: #7e85d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3556bc",
  "rgb": {
    "r": 53,
    "g": 86,
    "b": 188
  },
  "hsl": {
    "h": 225.333,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.48831,
    "c": 0.16518,
    "h": 266.6
  },
  "luminance": 0.11043
}

Semantic roles & 50–950 ramp

primary

#3556BC

secondary

#C9B884

accent

#BA48DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3556BC

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

Preview Lab → · Contrast checker → · Palette generator →