#556AE0#556AE0

#556AE0 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 57.1% C 0.180 H 271.9°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#556AE0
RGBrgb(85, 106, 224)
HSLhsl(231, 69%, 61%)
HSVhsv(231, 62%, 88%)
CMYKcmyk(62.1%, 52.7%, 0%, 12.2%)
CIE-LABlab(49.03, 28.31, -62.71)
CIE-LCHlch(49.03, 68.80, 294.30°)
OKLaboklab(57.14% 0.006 -0.1799)
OKLCHoklch(57.14% 0.18 271.9)
XYZxyz(22.3504, 17.6193, 72.7296)
Luminance0.1762 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#556AE0 #E0CB55
analogous
#55B0E0 #556AE0 #8555E0
triadic
#556AE0 #E0556A #6AE055
tetradic
#556AE0 #E055B0 #E0CB55 #55E085
square
#556AE0 #E055B0 #E0CB55 #55E085
split-complementary
#556AE0 #E08555 #B0E055
monochromatic
#1D309E #2640D2 #556AE0 #8997E9 #BDC5F3

Accessibility & contrast

On white

4.64
#556AE0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.52
#556AE0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556AE0
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##556AE0#FFFFFF#000000##FFFFFF
##556AE01.004.644.524.64
#FFFFFF4.641.0021.001.00
#0000004.5221.001.0021.00
##FFFFFF4.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E7BE4
Deuteranopia (green-blind)
#006FDE
Tritanopia (blue-blind)
#00869B
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #556ae0;
/* rgb */ color: rgb(85, 106, 224);
/* oklch */ color: oklch(57.1% 0.180 271.9);
Tailwind
colors: {
  custom: {
    50: '#9294ea',
    500: '#556ae0',
    950: '#000000',
  },
}
SCSS
$custom: #556ae0;
$custom-light: #9294ea;
$custom-dark: #000000;
JSON
{
  "hex": "#556ae0",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 224
  },
  "hsl": {
    "h": 230.935,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.57141,
    "c": 0.18001,
    "h": 271.9
  },
  "luminance": 0.17621
}

Semantic roles & 50–950 ramp

primary
#556AE0
secondary
#E3DBAE
accent
#B514D1
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0E0D16
muted
#7E7E84

Preview Lab

Preview with #556AE0

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

Preview Lab → · Contrast checker → · Palette generator →

#556AE0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva