#556DDF#556DDF

#556DDF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.6% C 0.175 H 271.0°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#556DDF
RGBrgb(85, 109, 223)
HSLhsl(230, 68%, 60%)
HSVhsv(230, 62%, 87%)
CMYKcmyk(61.9%, 51.1%, 0%, 12.5%)
CIE-LABlab(49.73, 26.12, -61.01)
CIE-LCHlch(49.73, 66.37, 293.17°)
OKLaboklab(57.65% 0.0031 -0.1749)
OKLCHoklch(57.65% 0.175 271)
XYZxyz(22.5298, 18.1944, 72.1223)
Luminance0.1820 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#556DDF #DFC755
analogous
#55B2DF #556DDF #8255DF
triadic
#556DDF #DF556D #6DDF55
tetradic
#556DDF #DF55B2 #DFC755 #55DF82
square
#556DDF #DF55B2 #DFC755 #55DF82
split-complementary
#556DDF #DF8255 #B2DF55
monochromatic
#1D339C #2744D0 #556DDF #8999E9 #BCC5F2

Accessibility & contrast

On white

4.53
#556DDF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.64
#556DDF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556DDF
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##556DDF#FFFFFF#000000##000000
##556DDF1.004.534.644.64
#FFFFFF4.531.0021.0021.00
#0000004.6421.001.001.00
##0000004.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#2A7DE3
Deuteranopia (green-blind)
#0070DD
Tritanopia (blue-blind)
#00879C
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #556ddf;
/* rgb */ color: rgb(85, 109, 223);
/* oklch */ color: oklch(57.6% 0.175 271.0);
Tailwind
colors: {
  custom: {
    50: '#9196ea',
    500: '#556ddf',
    950: '#000000',
  },
}
SCSS
$custom: #556ddf;
$custom-light: #9196ea;
$custom-dark: #000000;
JSON
{
  "hex": "#556ddf",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 223
  },
  "hsl": {
    "h": 229.565,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.57648,
    "c": 0.17491,
    "h": 271
  },
  "luminance": 0.18196
}

Semantic roles & 50–950 ramp

primary
#556DDF
secondary
#E2D9AE
accent
#B015D0
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0E0D16
muted
#7E7E84

Preview Lab

Preview with #556DDF

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

Preview Lab → · Contrast checker → · Palette generator →

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