#5573BF#5573BF

#5573BF is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.8% C 0.123 H 266.3°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#5573BF
RGB	rgb(85, 115, 191)
HSL	hsl(223, 45%, 54%)
HSV	hsv(223, 55%, 75%)
CMYK	cmyk(55.5%, 39.8%, 0%, 25.1%)
CIE-LAB	lab(49.44, 11.71, -43.23)
CIE-LCH	lch(49.44, 44.79, 285.15°)
OKLab	oklab(56.81% -0.0079 -0.1226)
OKLCH	oklch(56.81% 0.123 266.3)
XYZ	xyz(19.2779, 17.9529, 51.7295)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5573BF #BFA155

analogous

#55A8BF #5573BF #6C55BF

triadic

#5573BF #BF5573 #73BF55

tetradic

#5573BF #BF55A8 #BFA155 #55BF6C

square

#5573BF #BF55A8 #BFA155 #55BF6C

split-complementary

#5573BF #BF6C55 #A8BF55

monochromatic

#2A3E70 #3B569C #5573BF #8198D0 #AEBCE0

Accessibility & contrast

On white

4.57

#5573BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#5573BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5573BF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5573BF	#FFFFFF	#000000	##000000
##5573BF	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537BC2

Deuteranopia (green-blind)

#4771BD

Tritanopia (blue-blind)

#158490

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5573bf;
/* rgb */ color: rgb(85, 115, 191);
/* oklch */ color: oklch(56.8% 0.123 266.3);

Tailwind

colors: {
  custom: {
    50: '#8c9ad3',
    500: '#5573bf',
    950: '#000000',
  },
}

SCSS

$custom: #5573bf;
$custom-light: #8c9ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#5573bf",
  "rgb": {
    "r": 85,
    "g": 115,
    "b": 191
  },
  "hsl": {
    "h": 223.019,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.56814,
    "c": 0.12285,
    "h": 266.3
  },
  "luminance": 0.17954
}

Semantic roles & 50–950 ramp

primary

#5573BF

secondary

#CEC2A1

accent

#B053D5

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5573BF

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

Preview Lab → · Contrast checker → · Palette generator →