#556BDC#556BDC

#556BDC is a mid, vivid blue. Relative luminance 0.176; OKLCH L 57.1% C 0.173 H 271.6°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#556BDC
RGBrgb(85, 107, 220)
HSLhsl(230, 66%, 60%)
HSVhsv(230, 61%, 86%)
CMYKcmyk(61.4%, 51.4%, 0%, 13.7%)
CIE-LABlab(49.02, 26.34, -60.46)
CIE-LCHlch(49.02, 65.95, 293.55°)
OKLaboklab(57.05% 0.0047 -0.1733)
OKLCHoklch(57.05% 0.173 271.6)
XYZxyz(21.9180, 17.6122, 69.9407)
Luminance0.1761 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#556BDC #DCC655
analogous
#55AFDC #556BDC #8255DC
triadic
#556BDC #DC556B #6BDC55
tetradic
#556BDC #DC55AF #DCC655 #55DC82
square
#556BDC #DC55AF #DCC655 #55DC82
split-complementary
#556BDC #DC8255 #AFDC55
monochromatic
#1F3397 #2A44CA #556BDC #8897E6 #BBC3F1

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##556BDC#FFFFFF#000000##FFFFFF
##556BDC1.004.644.524.64
#FFFFFF4.641.0021.001.00
#0000004.5221.001.0021.00
##FFFFFF4.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#297BE0
Deuteranopia (green-blind)
#006FDA
Tritanopia (blue-blind)
#008599
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #556bdc;
/* rgb */ color: rgb(85, 107, 220);
/* oklch */ color: oklch(57.1% 0.173 271.6);
Tailwind
colors: {
  custom: {
    50: '#9195e8',
    500: '#556bdc',
    950: '#000000',
  },
}
SCSS
$custom: #556bdc;
$custom-light: #9195e8;
$custom-dark: #000000;
JSON
{
  "hex": "#556bdc",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 220
  },
  "hsl": {
    "h": 230.222,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.57051,
    "c": 0.17334,
    "h": 271.6
  },
  "luminance": 0.17614
}

Semantic roles & 50–950 ramp

primary
#556BDC
secondary
#E0D8AC
accent
#CD3FE9
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0E0D16
muted
#7E7E84

Preview Lab

Preview with #556BDC

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

Preview Lab → · Contrast checker → · Palette generator →

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