#3556CC#3556CC

#3556CC is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.1% C 0.187 H 267.3°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#3556CC
RGB	rgb(53, 86, 204)
HSL	hsl(227, 60%, 50%)
HSV	hsv(227, 74%, 80%)
CMYK	cmyk(74%, 57.8%, 0%, 20%)
CIE-LAB	lab(40.85, 29.25, -64.63)
CIE-LCH	lch(40.85, 70.94, 294.35°)
OKLab	oklab(50.11% -0.0088 -0.1865)
OKLCH	oklch(50.11% 0.187 267.3)
XYZ	xyz(15.6913, 11.7704, 58.5600)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3556CC #CCAB35

analogous

#35A2CC #3556CC #5F35CC

triadic

#3556CC #CC3556 #56CC35

tetradic

#3556CC #CC35A2 #CCAB35 #35CC5F

square

#3556CC #CC35A2 #CCAB35 #35CC5F

split-complementary

#3556CC #CC5F35 #A2CC35

monochromatic

#1B2D6B #27419C #3556CC #667FD8 #97A8E5

Accessibility & contrast

On white

6.26

#3556CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3556CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3556CC

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3556CC	#FFFFFF	#000000	##FFFFFF
##3556CC	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D0

Deuteranopia (green-blind)

#005ACA

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3556cc;
/* rgb */ color: rgb(53, 86, 204);
/* oklch */ color: oklch(50.1% 0.187 267.3);

Tailwind

colors: {
  custom: {
    50: '#8185dc',
    500: '#3556cc',
    950: '#000000',
  },
}

SCSS

$custom: #3556cc;
$custom-light: #8185dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3556cc",
  "rgb": {
    "r": 53,
    "g": 86,
    "b": 204
  },
  "hsl": {
    "h": 226.887,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50108,
    "c": 0.18672,
    "h": 267.3
  },
  "luminance": 0.11772
}

Semantic roles & 50–950 ramp

primary

#3556CC

secondary

#D0C18D

accent

#C045E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3556CC

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

Preview Lab → · Contrast checker → · Palette generator →