#3553C4#3553C4

#3553C4 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.9% C 0.180 H 267.8°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3553C4
RGB	rgb(53, 83, 196)
HSL	hsl(227, 57%, 49%)
HSV	hsv(227, 73%, 77%)
CMYK	cmyk(73%, 57.7%, 0%, 23.1%)
CIE-LAB	lab(39.46, 28.26, -62.26)
CIE-LCH	lch(39.46, 68.37, 294.41°)
OKLab	oklab(48.88% -0.0069 -0.1796)
OKLCH	oklch(48.88% 0.18 267.8)
XYZ	xyz(14.5218, 10.9274, 53.5577)
Luminance	0.1093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3553C4 #C4A635

analogous

#359BC4 #3553C4 #5F35C4

triadic

#3553C4 #C43553 #53C435

tetradic

#3553C4 #C4359B #C4A635 #35C45F

square

#3553C4 #C4359B #C4A635 #35C45F

split-complementary

#3553C4 #C45F35 #9BC435

monochromatic

#1B2A64 #283F94 #3553C4 #627AD4 #92A3E1

Accessibility & contrast

On white

6.59

#3553C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3553C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3553C4

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3553C4	#FFFFFF	#000000	##FFFFFF
##3553C4	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C8

Deuteranopia (green-blind)

#0057C2

Tritanopia (blue-blind)

#006F83

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3553c4;
/* rgb */ color: rgb(53, 83, 196);
/* oklch */ color: oklch(48.9% 0.180 267.8);

Tailwind

colors: {
  custom: {
    50: '#8083d7',
    500: '#3553c4',
    950: '#000000',
  },
}

SCSS

$custom: #3553c4;
$custom-light: #8083d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3553c4",
  "rgb": {
    "r": 53,
    "g": 83,
    "b": 196
  },
  "hsl": {
    "h": 227.413,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48875,
    "c": 0.17971,
    "h": 267.8
  },
  "luminance": 0.10929
}

Semantic roles & 50–950 ramp

primary

#3553C4

secondary

#CCBE88

accent

#C047E1

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3553C4

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

Preview Lab → · Contrast checker → · Palette generator →