#5573BB#5573BB

#5573BB is a mid, moderate blue. Relative luminance 0.178; OKLCH L 56.6% C 0.117 H 265.7°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#5573BB
RGB	rgb(85, 115, 187)
HSL	hsl(222, 43%, 53%)
HSV	hsv(222, 55%, 73%)
CMYK	cmyk(54.5%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(49.23, 10.40, -41.26)
CIE-LCH	lch(49.23, 42.55, 284.14°)
OKLab	oklab(56.58% -0.0088 -0.1168)
OKLCH	oklch(56.58% 0.117 265.7)
XYZ	xyz(18.8437, 17.7792, 49.4428)
Luminance	0.1778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5573BB #BB9D55

analogous

#55A6BB #5573BB #6A55BB

triadic

#5573BB #BB5573 #73BB55

tetradic

#5573BB #BB55A6 #BB9D55 #55BB6A

square

#5573BB #BB55A6 #BB9D55 #55BB6A

split-complementary

#5573BB #BB6A55 #A6BB55

monochromatic

#2B3E6B #3C5797 #5573BB #8197CC #ACBBDE

Accessibility & contrast

On white

4.61

#5573BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#5573BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5573BB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5573BB	#FFFFFF	#000000	##FFFFFF
##5573BB	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#567ABE

Deuteranopia (green-blind)

#4A71B9

Tritanopia (blue-blind)

#1D838E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5573bb;
/* rgb */ color: rgb(85, 115, 187);
/* oklch */ color: oklch(56.6% 0.117 265.7);

Tailwind

colors: {
  custom: {
    50: '#8c9bd0',
    500: '#5573bb',
    950: '#000000',
  },
}

SCSS

$custom: #5573bb;
$custom-light: #8c9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5573bb",
  "rgb": {
    "r": 85,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 222.353,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.56582,
    "c": 0.11717,
    "h": 265.7
  },
  "luminance": 0.17781
}

Semantic roles & 50–950 ramp

primary

#5573BB

secondary

#CCBFA0

accent

#AE55D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0E14

muted

#7D7E82

Preview Lab

Preview with #5573BB

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

Preview Lab → · Contrast checker → · Palette generator →