#556AAF#556AAF

#556AAF is a mid, moderate blue. Relative luminance 0.153; OKLCH L 54.0% C 0.111 H 269.6°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX#556AAF
RGBrgb(85, 106, 175)
HSLhsl(226, 36%, 51%)
HSVhsv(226, 51%, 69%)
CMYKcmyk(51.4%, 39.4%, 0%, 31.4%)
CIE-LABlab(46.09, 12.07, -39.27)
CIE-LCHlch(46.09, 41.08, 287.08°)
OKLaboklab(53.95% -0.0007 -0.1111)
OKLCHoklch(53.95% 0.111 269.6)
XYZxyz(16.6357, 15.3334, 42.6322)
Luminance0.1533 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#556AAF #AF9A55
analogous
#5597AF #556AAF #6D55AF
triadic
#556AAF #AF556A #6AAF55
tetradic
#556AAF #AF5597 #AF9A55 #55AF6D
square
#556AAF #AF5597 #AF9A55 #55AF6D
split-complementary
#556AAF #AF6D55 #97AF55
monochromatic
#2C385E #405087 #556AAF #7F8EC3 #A8B3D6

Accessibility & contrast

On white

5.16
#556AAF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.07
#556AAF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556AAF
5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##556AAF#FFFFFF#000000##FFFFFF
##556AAF1.005.164.075.16
#FFFFFF5.161.0021.001.00
#0000004.0721.001.0021.00
##FFFFFF5.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F71B2
Deuteranopia (green-blind)
#456AAD
Tritanopia (blue-blind)
#2D7984
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #556aaf;
/* rgb */ color: rgb(85, 106, 175);
/* oklch */ color: oklch(54.0% 0.111 269.6);
Tailwind
colors: {
  custom: {
    50: '#8a94c7',
    500: '#556aaf',
    950: '#000000',
  },
}
SCSS
$custom: #556aaf;
$custom-light: #8a94c7;
$custom-dark: #000000;
JSON
{
  "hex": "#556aaf",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 175
  },
  "hsl": {
    "h": 226,
    "s": 36,
    "l": 50.98
  },
  "oklch": {
    "l": 0.53953,
    "c": 0.11108,
    "h": 269.6
  },
  "luminance": 0.15335
}

Semantic roles & 50–950 ramp

primary
#556AAF
secondary
#C4BB9C
accent
#B25CCC
background
#F8F9FC
surface
#F0F1F8
border
#CBCBD1
text
#0C0D13
muted
#7D7E82

Preview Lab

Preview with #556AAF

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

Preview Lab → · Contrast checker → · Palette generator →

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