#3553C3#3553C3

#3553C3 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.8% C 0.178 H 267.8°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3553C3
RGB	rgb(53, 83, 195)
HSL	hsl(227, 57%, 49%)
HSV	hsv(227, 73%, 76%)
CMYK	cmyk(72.8%, 57.4%, 0%, 23.5%)
CIE-LAB	lab(39.38, 27.89, -61.80)
CIE-LCH	lch(39.38, 67.80, 294.29°)
OKLab	oklab(48.79% -0.0069 -0.1782)
OKLCH	oklch(48.79% 0.178 267.8)
XYZ	xyz(14.4084, 10.8820, 52.9603)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3553C3 #C3A535

analogous

#359AC3 #3553C3 #5E35C3

triadic

#3553C3 #C33553 #53C335

tetradic

#3553C3 #C3359A #C3A535 #35C35E

square

#3553C3 #C3359A #C3A535 #35C35E

split-complementary

#3553C3 #C35E35 #9AC335

monochromatic

#1B2A63 #283F93 #3553C3 #6179D4 #91A2E1

Accessibility & contrast

On white

6.61

#3553C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3553C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3553C3

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3553C3	#FFFFFF	#000000	##FFFFFF
##3553C3	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C7

Deuteranopia (green-blind)

#0056C1

Tritanopia (blue-blind)

#006F83

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3553c3;
/* rgb */ color: rgb(53, 83, 195);
/* oklch */ color: oklch(48.8% 0.178 267.8);

Tailwind

colors: {
  custom: {
    50: '#7f83d6',
    500: '#3553c3',
    950: '#000000',
  },
}

SCSS

$custom: #3553c3;
$custom-light: #7f83d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3553c3",
  "rgb": {
    "r": 53,
    "g": 83,
    "b": 195
  },
  "hsl": {
    "h": 227.324,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.48793,
    "c": 0.17838,
    "h": 267.8
  },
  "luminance": 0.10884
}

Semantic roles & 50–950 ramp

primary

#3553C3

secondary

#CCBE88

accent

#C047E1

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3553C3

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

Preview Lab → · Contrast checker → · Palette generator →