#3555BE#3555BE

#3555BE is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.169 H 267.0°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#3555BE
RGB	rgb(53, 85, 190)
HSL	hsl(226, 56%, 48%)
HSV	hsv(226, 72%, 75%)
CMYK	cmyk(72.1%, 55.3%, 0%, 25.5%)
CIE-LAB	lab(39.53, 24.75, -58.65)
CIE-LCH	lch(39.53, 63.66, 292.88°)
OKLab	oklab(48.79% -0.0087 -0.1689)
OKLCH	oklch(48.79% 0.169 267)
XYZ	xyz(14.0077, 10.9701, 50.0844)
Luminance	0.1097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3555BE #BE9E35

analogous

#359ABE #3555BE #5935BE

triadic

#3555BE #BE3555 #55BE35

tetradic

#3555BE #BE359A #BE9E35 #35BE59

square

#3555BE #BE359A #BE9E35 #35BE59

split-complementary

#3555BE #BE5935 #9ABE35

monochromatic

#1A2A5E #28408E #3555BE #5E79D2 #8EA1DF

Accessibility & contrast

On white

6.57

#3555BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3555BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3555BE

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3555BE	#FFFFFF	#000000	##FFFFFF
##3555BE	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C2

Deuteranopia (green-blind)

#0057BC

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3555be;
/* rgb */ color: rgb(53, 85, 190);
/* oklch */ color: oklch(48.8% 0.169 267.0);

Tailwind

colors: {
  custom: {
    50: '#7e84d2',
    500: '#3555be',
    950: '#000000',
  },
}

SCSS

$custom: #3555be;
$custom-light: #7e84d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3555be",
  "rgb": {
    "r": 53,
    "g": 85,
    "b": 190
  },
  "hsl": {
    "h": 225.985,
    "s": 56.379,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48787,
    "c": 0.16915,
    "h": 267
  },
  "luminance": 0.10972
}

Semantic roles & 50–950 ramp

primary

#3555BE

secondary

#CABA85

accent

#BC48E0

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3555BE

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

Preview Lab → · Contrast checker → · Palette generator →