#5573CF#5573CF

#5573CF is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.8% C 0.145 H 268.1°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#5573CF
RGB	rgb(85, 115, 207)
HSL	hsl(225, 56%, 57%)
HSV	hsv(225, 59%, 81%)
CMYK	cmyk(58.9%, 44.4%, 0%, 18.8%)
CIE-LAB	lab(50.33, 17.02, -50.98)
CIE-LCH	lch(50.33, 53.74, 288.46°)
OKLab	oklab(57.79% -0.0049 -0.1453)
OKLCH	oklch(57.79% 0.145 268.1)
XYZ	xyz(21.1357, 18.6960, 61.5143)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5573CF #CFB155

analogous

#55B0CF #5573CF #7455CF

triadic

#5573CF #CF5573 #73CF55

tetradic

#5573CF #CF55B0 #CFB155 #55CF74

square

#5573CF #CF55B0 #CFB155 #55CF74

split-complementary

#5573CF #CF7455 #B0CF55

monochromatic

#253D84 #3353B4 #5573CF #859ADC #B4C2EA

Accessibility & contrast

On white

4.43

#5573CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#5573CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5573CF

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5573CF	#FFFFFF	#000000	##000000
##5573CF	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497ED2

Deuteranopia (green-blind)

#3773CD

Tritanopia (blue-blind)

#008897

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5573cf;
/* rgb */ color: rgb(85, 115, 207);
/* oklch */ color: oklch(57.8% 0.145 268.1);

Tailwind

colors: {
  custom: {
    50: '#8f9ade',
    500: '#5573cf',
    950: '#000000',
  },
}

SCSS

$custom: #5573cf;
$custom-light: #8f9ade;
$custom-dark: #000000;

JSON

{
  "hex": "#5573cf",
  "rgb": {
    "r": 85,
    "g": 115,
    "b": 207
  },
  "hsl": {
    "h": 225.246,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.57788,
    "c": 0.14538,
    "h": 268.1
  },
  "luminance": 0.18698
}

Semantic roles & 50–950 ramp

primary

#5573CF

secondary

#D9CCA7

accent

#BA49DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5573CF

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

Preview Lab → · Contrast checker → · Palette generator →