#5571DC#5571DC

#5571DC is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.2% C 0.166 H 269.6°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#5571DC
RGB	rgb(85, 113, 220)
HSL	hsl(228, 66%, 60%)
HSV	hsv(228, 61%, 86%)
CMYK	cmyk(61.4%, 48.6%, 0%, 13.7%)
CIE-LAB	lab(50.58, 22.63, -57.95)
CIE-LCH	lch(50.58, 62.21, 291.33°)
OKLab	oklab(58.23% -0.0011 -0.1658)
OKLCH	oklch(58.23% 0.166 269.6)
XYZ	xyz(22.5654, 18.9069, 70.1565)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5571DC #DCC055

analogous

#55B4DC #5571DC #7D55DC

triadic

#5571DC #DC5571 #71DC55

tetradic

#5571DC #DC55B4 #DCC055 #55DC7D

square

#5571DC #DC55B4 #DCC055 #55DC7D

split-complementary

#5571DC #DC7D55 #B4DC55

monochromatic

#1F3897 #2A4BCA #5571DC #889BE6 #BBC6F1

Accessibility & contrast

On white

4.39

#5571DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#5571DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5571DC

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5571DC	#FFFFFF	#000000	##000000
##5571DC	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397FE0

Deuteranopia (green-blind)

#1D73DA

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5571dc;
/* rgb */ color: rgb(85, 113, 220);
/* oklch */ color: oklch(58.2% 0.166 269.6);

Tailwind

colors: {
  custom: {
    50: '#9199e7',
    500: '#5571dc',
    950: '#000000',
  },
}

SCSS

$custom: #5571dc;
$custom-light: #9199e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5571dc",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 220
  },
  "hsl": {
    "h": 227.556,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.58229,
    "c": 0.16583,
    "h": 269.6
  },
  "luminance": 0.18909
}

Semantic roles & 50–950 ramp

primary

#5571DC

secondary

#E0D6AC

accent

#C63FE9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5571DC

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

Preview Lab → · Contrast checker → · Palette generator →