#3553C5#3553C5

#3553C5 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.0% C 0.181 H 267.8°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#3553C5
RGB	rgb(53, 83, 197)
HSL	hsl(228, 58%, 49%)
HSV	hsv(228, 73%, 77%)
CMYK	cmyk(73.1%, 57.9%, 0%, 22.7%)
CIE-LAB	lab(39.54, 28.62, -62.72)
CIE-LCH	lch(39.54, 68.94, 294.53°)
OKLab	oklab(48.96% -0.0069 -0.1809)
OKLCH	oklch(48.96% 0.181 267.8)
XYZ	xyz(14.6360, 10.9731, 54.1592)
Luminance	0.1098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3553C5 #C5A735

analogous

#359BC5 #3553C5 #5F35C5

triadic

#3553C5 #C53553 #53C535

tetradic

#3553C5 #C5359B #C5A735 #35C55F

square

#3553C5 #C5359B #C5A735 #35C55F

split-complementary

#3553C5 #C55F35 #9BC535

monochromatic

#1B2A65 #283F95 #3553C5 #627AD5 #93A3E2

Accessibility & contrast

On white

6.57

#3553C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3553C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3553C5

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3553C5	#FFFFFF	#000000	##FFFFFF
##3553C5	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C9

Deuteranopia (green-blind)

#0057C3

Tritanopia (blue-blind)

#006F84

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3553c5;
/* rgb */ color: rgb(53, 83, 197);
/* oklch */ color: oklch(49.0% 0.181 267.8);

Tailwind

colors: {
  custom: {
    50: '#8083d7',
    500: '#3553c5',
    950: '#000000',
  },
}

SCSS

$custom: #3553c5;
$custom-light: #8083d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3553c5",
  "rgb": {
    "r": 53,
    "g": 83,
    "b": 197
  },
  "hsl": {
    "h": 227.5,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48957,
    "c": 0.18105,
    "h": 267.8
  },
  "luminance": 0.10975
}

Semantic roles & 50–950 ramp

primary

#3553C5

secondary

#CDBF89

accent

#C147E1

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3553C5

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

Preview Lab → · Contrast checker → · Palette generator →