#3556A3#3556A3

#3556A3 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.0% C 0.130 H 264.5°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3556A3
RGB	rgb(53, 86, 163)
HSL	hsl(222, 51%, 42%)
HSV	hsv(222, 67%, 64%)
CMYK	cmyk(67.5%, 47.2%, 0%, 36.1%)
CIE-LAB	lab(37.94, 14.10, -45.27)
CIE-LCH	lch(37.94, 47.42, 287.30°)
OKLab	oklab(46.99% -0.0125 -0.1296)
OKLCH	oklch(46.99% 0.13 264.5)
XYZ	xyz(11.4045, 10.0557, 35.9832)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3556A3 #A38235

analogous

#358DA3 #3556A3 #4B35A3

triadic

#3556A3 #A33556 #56A335

tetradic

#3556A3 #A3358D #A38235 #35A34B

square

#3556A3 #A3358D #A38235 #35A34B

split-complementary

#3556A3 #A34B35 #8DA335

monochromatic

#172547 #263E75 #3556A3 #4F73C6 #7E98D5

Accessibility & contrast

On white

6.97

#3556A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3556A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3556A3

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3556A3	#FFFFFF	#000000	##FFFFFF
##3556A3	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5FA6

Deuteranopia (green-blind)

#1955A1

Tritanopia (blue-blind)

#006874

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3556a3;
/* rgb */ color: rgb(53, 86, 163);
/* oklch */ color: oklch(47.0% 0.130 264.5);

Tailwind

colors: {
  custom: {
    50: '#7985bf',
    500: '#3556a3',
    950: '#000000',
  },
}

SCSS

$custom: #3556a3;
$custom-light: #7985bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3556a3",
  "rgb": {
    "r": 53,
    "g": 86,
    "b": 163
  },
  "hsl": {
    "h": 222,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.46987,
    "c": 0.13017,
    "h": 264.5
  },
  "luminance": 0.10057
}

Semantic roles & 50–950 ramp

primary

#3556A3

secondary

#BEA876

accent

#B04DDA

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3556A3

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

Preview Lab → · Contrast checker → · Palette generator →