#556EA9#556EA9

#556EA9 is a mid, moderate blue. Relative luminance 0.159; OKLCH L 54.5% C 0.097 H 265.8°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#556EA9
RGBrgb(85, 110, 169)
HSLhsl(222, 33%, 50%)
HSVhsv(222, 50%, 66%)
CMYKcmyk(49.7%, 34.9%, 0%, 33.7%)
CIE-LABlab(46.90, 7.68, -34.47)
CIE-LCHlch(46.90, 35.31, 282.56°)
OKLaboklab(54.48% -0.0071 -0.0971)
OKLCHoklch(54.48% 0.097 265.8)
XYZxyz(16.4813, 15.9467, 39.7380)
Luminance0.1595 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#556EA9 #A99055
analogous
#5598A9 #556EA9 #6655A9
triadic
#556EA9 #A9556E #6EA955
tetradic
#556EA9 #A95598 #A99055 #55A966
square
#556EA9 #A95598 #A99055 #55A966
split-complementary
#556EA9 #A96655 #98A955
monochromatic
#2C3958 #415380 #556EA9 #7D91BE #A6B3D2

Accessibility & contrast

On white

5.01
#556EA9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.19
#556EA9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556EA9
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##556EA9#FFFFFF#000000##FFFFFF
##556EA91.005.014.195.01
#FFFFFF5.011.0021.001.00
#0000004.1921.001.0021.00
##FFFFFF5.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5873AB
Deuteranopia (green-blind)
#4E6CA8
Tritanopia (blue-blind)
#317B83
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #556ea9;
/* rgb */ color: rgb(85, 110, 169);
/* oklch */ color: oklch(54.5% 0.097 265.8);
Tailwind
colors: {
  custom: {
    50: '#8a97c3',
    500: '#556ea9',
    950: '#000000',
  },
}
SCSS
$custom: #556ea9;
$custom-light: #8a97c3;
$custom-dark: #000000;
JSON
{
  "hex": "#556ea9",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 169
  },
  "hsl": {
    "h": 222.143,
    "s": 33.071,
    "l": 49.804
  },
  "oklch": {
    "l": 0.54484,
    "c": 0.09733,
    "h": 265.8
  },
  "luminance": 0.15948
}

Semantic roles & 50–950 ramp

primary
#556EA9
secondary
#C0B59A
accent
#A95FC9
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0C0D12
muted
#7D7E81

Preview Lab

Preview with #556EA9

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

Preview Lab → · Contrast checker → · Palette generator →

#556EA9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva