#5571AB#5571AB

#5571AB is a mid, moderate blue. Relative luminance 0.167; OKLCH L 55.3% C 0.097 H 263.9°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX#5571AB
RGBrgb(85, 113, 171)
HSLhsl(220, 34%, 50%)
HSVhsv(220, 50%, 67%)
CMYKcmyk(50.3%, 33.9%, 0%, 32.9%)
CIE-LABlab(47.86, 6.47, -34.15)
CIE-LCHlch(47.86, 34.75, 280.74°)
OKLaboklab(55.25% -0.0103 -0.0961)
OKLCHoklch(55.25% 0.097 263.9)
XYZxyz(16.9997, 16.6807, 40.8441)
Luminance0.1668 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5571AB #AB8F55
analogous
#559CAB #5571AB #6455AB
triadic
#5571AB #AB5571 #71AB55
tetradic
#5571AB #AB559C #AB8F55 #55AB64
square
#5571AB #AB559C #AB8F55 #55AB64
split-complementary
#5571AB #AB6455 #9CAB55
monochromatic
#2C3B59 #405682 #5571AB #7E93BF #A7B5D3

Accessibility & contrast

On white

4.84
#5571AB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.34
#5571AB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5571AB
4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5571AB#FFFFFF#000000##FFFFFF
##5571AB1.004.844.344.84
#FFFFFF4.841.0021.001.00
#0000004.3421.001.0021.00
##FFFFFF4.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B76AD
Deuteranopia (green-blind)
#516EAA
Tritanopia (blue-blind)
#2F7D86
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #5571ab;
/* rgb */ color: rgb(85, 113, 171);
/* oklch */ color: oklch(55.3% 0.097 263.9);
Tailwind
colors: {
  custom: {
    50: '#8a99c4',
    500: '#5571ab',
    950: '#000000',
  },
}
SCSS
$custom: #5571ab;
$custom-light: #8a99c4;
$custom-dark: #000000;
JSON
{
  "hex": "#5571ab",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 171
  },
  "hsl": {
    "h": 220.465,
    "s": 33.858,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55254,
    "c": 0.09666,
    "h": 263.9
  },
  "luminance": 0.16682
}

Semantic roles & 50–950 ramp

primary
#5571AB
secondary
#C1B59B
accent
#A75ECA
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0C0D12
muted
#7D7E81

Preview Lab

Preview with #5571AB

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

Preview Lab → · Contrast checker → · Palette generator →

#5571AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva