#3556CD#3556CD

#3556CD is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.2% C 0.188 H 267.3°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#3556CD
RGB	rgb(53, 86, 205)
HSL	hsl(227, 60%, 51%)
HSV	hsv(227, 74%, 80%)
CMYK	cmyk(74.1%, 58%, 0%, 19.6%)
CIE-LAB	lab(40.93, 29.62, -65.08)
CIE-LCH	lch(40.93, 71.50, 294.47°)
OKLab	oklab(50.19% -0.0088 -0.1878)
OKLCH	oklch(50.19% 0.188 267.3)
XYZ	xyz(15.8116, 11.8185, 59.1937)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3556CD #CDAC35

analogous

#35A2CD #3556CD #6035CD

triadic

#3556CD #CD3556 #56CD35

tetradic

#3556CD #CD35A2 #CDAC35 #35CD60

square

#3556CD #CD35A2 #CDAC35 #35CD60

split-complementary

#3556CD #CD6035 #A2CD35

monochromatic

#1B2D6D #27419E #3556CD #667FD9 #97A8E5

Accessibility & contrast

On white

6.24

#3556CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#3556CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3556CD

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3556CD	#FFFFFF	#000000	##FFFFFF
##3556CD	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D1

Deuteranopia (green-blind)

#005ACB

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3556cd;
/* rgb */ color: rgb(53, 86, 205);
/* oklch */ color: oklch(50.2% 0.188 267.3);

Tailwind

colors: {
  custom: {
    50: '#8185dd',
    500: '#3556cd',
    950: '#000000',
  },
}

SCSS

$custom: #3556cd;
$custom-light: #8185dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3556cd",
  "rgb": {
    "r": 53,
    "g": 86,
    "b": 205
  },
  "hsl": {
    "h": 226.974,
    "s": 60.317,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5019,
    "c": 0.18805,
    "h": 267.3
  },
  "luminance": 0.1182
}

Semantic roles & 50–950 ramp

primary

#3556CD

secondary

#D1C28D

accent

#C144E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3556CD

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

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