#4553BB#4553BB

#4553BB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.0% C 0.163 H 273.1°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#4553BB
RGB	rgb(69, 83, 187)
HSL	hsl(233, 46%, 50%)
HSV	hsv(233, 63%, 73%)
CMYK	cmyk(63.1%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(39.65, 27.40, -56.66)
CIE-LCH	lch(39.65, 62.94, 295.81°)
OKLab	oklab(49.03% 0.0087 -0.1628)
OKLCH	oklch(49.03% 0.163 273.1)
XYZ	xyz(14.5142, 11.0384, 48.3698)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4553BB #BBAD45

analogous

#458EBB #4553BB #7245BB

triadic

#4553BB #BB4553 #53BB45

tetradic

#4553BB #BB458E #BBAD45 #45BB72

square

#4553BB #BB458E #BBAD45 #45BB72

split-complementary

#4553BB #BB7245 #8EBB45

monochromatic

#242B62 #343F8F #4553BB #727CCB #9FA6DC

Accessibility & contrast

On white

6.55

#4553BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4553BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4553BB

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4553BB	#FFFFFF	#000000	##FFFFFF
##4553BB	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4553bb;
/* rgb */ color: rgb(69, 83, 187);
/* oklch */ color: oklch(49.0% 0.163 273.1);

Tailwind

colors: {
  custom: {
    50: '#8583d0',
    500: '#4553bb',
    950: '#000000',
  },
}

SCSS

$custom: #4553bb;
$custom-light: #8583d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4553bb",
  "rgb": {
    "r": 69,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 232.881,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49034,
    "c": 0.16301,
    "h": 273.1
  },
  "luminance": 0.1104
}

Semantic roles & 50–950 ramp

primary

#4553BB

secondary

#C8C294

accent

#C652D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4553BB

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

Preview Lab → · Contrast checker → · Palette generator →