#3556B2#3556B2

#3556B2 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.1% C 0.151 H 266.0°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3556B2
RGB	rgb(53, 86, 178)
HSL	hsl(224, 54%, 45%)
HSV	hsv(224, 70%, 70%)
CMYK	cmyk(70.2%, 51.7%, 0%, 30.2%)
CIE-LAB	lab(38.94, 19.66, -52.56)
CIE-LCH	lch(38.94, 56.11, 290.51°)
OKLab	oklab(48.07% -0.0105 -0.151)
OKLCH	oklch(48.07% 0.151 266)
XYZ	xyz(12.8291, 10.6255, 43.4857)
Luminance	0.1063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3556B2 #B29135

analogous

#3594B2 #3556B2 #5235B2

triadic

#3556B2 #B23556 #56B235

tetradic

#3556B2 #B23594 #B29135 #35B252

square

#3556B2 #B23594 #B29135 #35B252

split-complementary

#3556B2 #B25235 #94B235

monochromatic

#192854 #273F83 #3556B2 #5776CD #869DDB

Accessibility & contrast

On white

6.72

#3556B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3556B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3556B2

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3556B2	#FFFFFF	#000000	##FFFFFF
##3556B2	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D62B5

Deuteranopia (green-blind)

#0056B0

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3556b2;
/* rgb */ color: rgb(53, 86, 178);
/* oklch */ color: oklch(48.1% 0.151 266.0);

Tailwind

colors: {
  custom: {
    50: '#7c85ca',
    500: '#3556b2',
    950: '#000000',
  },
}

SCSS

$custom: #3556b2;
$custom-light: #7c85ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3556b2",
  "rgb": {
    "r": 53,
    "g": 86,
    "b": 178
  },
  "hsl": {
    "h": 224.16,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4807,
    "c": 0.15137,
    "h": 266
  },
  "luminance": 0.10627
}

Semantic roles & 50–950 ramp

primary

#3556B2

secondary

#C5B27E

accent

#B74ADD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3556B2

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

Preview Lab → · Contrast checker → · Palette generator →