#4553BC#4553BC

#4553BC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.1% C 0.164 H 273.1°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#4553BC
RGB	rgb(69, 83, 188)
HSL	hsl(233, 47%, 50%)
HSV	hsv(233, 63%, 74%)
CMYK	cmyk(63.3%, 55.9%, 0%, 26.3%)
CIE-LAB	lab(39.72, 27.75, -57.13)
CIE-LCH	lch(39.72, 63.52, 295.91°)
OKLab	oklab(49.11% 0.0088 -0.1641)
OKLCH	oklch(49.11% 0.164 273.1)
XYZ	xyz(14.6216, 11.0813, 48.9356)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4553BC #BCAE45

analogous

#458FBC #4553BC #7245BC

triadic

#4553BC #BC4553 #53BC45

tetradic

#4553BC #BC458F #BCAE45 #45BC72

square

#4553BC #BC458F #BCAE45 #45BC72

split-complementary

#4553BC #BC7245 #8FBC45

monochromatic

#242B63 #343F90 #4553BC #727DCC #9FA6DC

Accessibility & contrast

On white

6.53

#4553BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#4553BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4553BC

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4553BC	#FFFFFF	#000000	##FFFFFF
##4553BC	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4553bc;
/* rgb */ color: rgb(69, 83, 188);
/* oklch */ color: oklch(49.1% 0.164 273.1);

Tailwind

colors: {
  custom: {
    50: '#8583d1',
    500: '#4553bc',
    950: '#000000',
  },
}

SCSS

$custom: #4553bc;
$custom-light: #8583d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4553bc",
  "rgb": {
    "r": 69,
    "g": 83,
    "b": 188
  },
  "hsl": {
    "h": 232.941,
    "s": 47.036,
    "l": 50.392
  },
  "oklch": {
    "l": 0.49111,
    "c": 0.16438,
    "h": 273.1
  },
  "luminance": 0.11083
}

Semantic roles & 50–950 ramp

primary

#4553BC

secondary

#C9C394

accent

#C751D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4553BC

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

Preview Lab → · Contrast checker → · Palette generator →