#3553C1#3553C1

#3553C1 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.6% C 0.176 H 267.7°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#3553C1
RGB	rgb(53, 83, 193)
HSL	hsl(227, 57%, 48%)
HSV	hsv(227, 73%, 76%)
CMYK	cmyk(72.5%, 57%, 0%, 24.3%)
CIE-LAB	lab(39.23, 27.16, -60.89)
CIE-LCH	lch(39.23, 66.67, 294.04°)
OKLab	oklab(48.63% -0.007 -0.1756)
OKLCH	oklch(48.63% 0.176 267.7)
XYZ	xyz(14.1838, 10.7922, 51.7773)
Luminance	0.1079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3553C1 #C1A335

analogous

#3599C1 #3553C1 #5D35C1

triadic

#3553C1 #C13553 #53C135

tetradic

#3553C1 #C13599 #C1A335 #35C15D

square

#3553C1 #C13599 #C1A335 #35C15D

split-complementary

#3553C1 #C15D35 #99C135

monochromatic

#1B2A61 #283E91 #3553C1 #6079D3 #90A1E0

Accessibility & contrast

On white

6.65

#3553C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3553C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3553C1

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3553C1	#FFFFFF	#000000	##FFFFFF
##3553C1	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C5

Deuteranopia (green-blind)

#0056BF

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3553c1;
/* rgb */ color: rgb(53, 83, 193);
/* oklch */ color: oklch(48.6% 0.176 267.7);

Tailwind

colors: {
  custom: {
    50: '#7f83d5',
    500: '#3553c1',
    950: '#000000',
  },
}

SCSS

$custom: #3553c1;
$custom-light: #7f83d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3553c1",
  "rgb": {
    "r": 53,
    "g": 83,
    "b": 193
  },
  "hsl": {
    "h": 227.143,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.48631,
    "c": 0.17569,
    "h": 267.7
  },
  "luminance": 0.10794
}

Semantic roles & 50–950 ramp

primary

#3553C1

secondary

#CBBC87

accent

#BF48E0

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3553C1

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

Preview Lab → · Contrast checker → · Palette generator →