#5573BC#5573BC

#5573BC is a mid, moderate blue. Relative luminance 0.178; OKLCH L 56.6% C 0.119 H 265.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#5573BC
RGB	rgb(85, 115, 188)
HSL	hsl(223, 43%, 54%)
HSV	hsv(223, 55%, 74%)
CMYK	cmyk(54.8%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(49.28, 10.72, -41.76)
CIE-LCH	lch(49.28, 43.11, 284.40°)
OKLab	oklab(56.64% -0.0085 -0.1183)
OKLCH	oklch(56.64% 0.119 265.9)
XYZ	xyz(18.9511, 17.8222, 50.0086)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5573BC #BC9E55

analogous

#55A6BC #5573BC #6A55BC

triadic

#5573BC #BC5573 #73BC55

tetradic

#5573BC #BC55A6 #BC9E55 #55BC6A

square

#5573BC #BC55A6 #BC9E55 #55BC6A

split-complementary

#5573BC #BC6A55 #A6BC55

monochromatic

#2B3E6C #3C5798 #5573BC #8197CD #ADBBDF

Accessibility & contrast

On white

4.60

#5573BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#5573BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5573BC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5573BC	#FFFFFF	#000000	##FFFFFF
##5573BC	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#557ABF

Deuteranopia (green-blind)

#4971BA

Tritanopia (blue-blind)

#1B838E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5573bc;
/* rgb */ color: rgb(85, 115, 188);
/* oklch */ color: oklch(56.6% 0.119 265.9);

Tailwind

colors: {
  custom: {
    50: '#8c9ad0',
    500: '#5573bc',
    950: '#000000',
  },
}

SCSS

$custom: #5573bc;
$custom-light: #8c9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#5573bc",
  "rgb": {
    "r": 85,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 222.524,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.56639,
    "c": 0.1186,
    "h": 265.9
  },
  "luminance": 0.17824
}

Semantic roles & 50–950 ramp

primary

#5573BC

secondary

#CCC0A0

accent

#AE55D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0E14

muted

#7D7E82

Preview Lab

Preview with #5573BC

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

Preview Lab → · Contrast checker → · Palette generator →