#A3A3BB#A3A3BB

#A3A3BB is a light, muted blue. Relative luminance 0.376; OKLCH L 72.3% C 0.035 H 285.5°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX#A3A3BB
RGBrgb(163, 163, 187)
HSLhsl(240, 15%, 69%)
HSVhsv(240, 13%, 73%)
CMYKcmyk(12.8%, 12.8%, 0%, 26.7%)
CIE-LABlab(67.70, 4.86, -12.32)
CIE-LCHlch(67.70, 13.24, 291.52°)
OKLaboklab(72.34% 0.0092 -0.0333)
OKLCHoklch(72.34% 0.035 285.5)
XYZxyz(37.1692, 37.5684, 52.2973)
Luminance0.3757 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A3A3BB #BBBBA3
analogous
#A3AFBB #A3A3BB #AFA3BB
triadic
#A3A3BB #BBA3A3 #A3BBA3
tetradic
#A3A3BB #BBA3AF #BBBBA3 #A3BBAF
square
#A3A3BB #BBA3AF #BBBBA3 #A3BBAF
split-complementary
#A3A3BB #BBAFA3 #AFBBA3
monochromatic
#616183 #8080A1 #A3A3BB #C6C6D5 #E9E9EF

Accessibility & contrast

On white

2.47
#A3A3BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.51
#A3A3BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3A3BB
8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A3A3BB#FFFFFF#000000##000000
##A3A3BB1.002.478.518.51
#FFFFFF2.471.0021.0021.00
#0000008.5121.001.001.00
##0000008.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DA6BC
Deuteranopia (green-blind)
#9DA4BA
Tritanopia (blue-blind)
#9EA7AB
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #a3a3bb;
/* rgb */ color: rgb(163, 163, 187);
/* oklch */ color: oklch(72.3% 0.035 285.5);
Tailwind
colors: {
  custom: {
    50: '#bebecf',
    500: '#a3a3bb',
    950: '#000000',
  },
}
SCSS
$custom: #a3a3bb;
$custom-light: #bebecf;
$custom-dark: #000000;
JSON
{
  "hex": "#a3a3bb",
  "rgb": {
    "r": 163,
    "g": 163,
    "b": 187
  },
  "hsl": {
    "h": 240,
    "s": 15,
    "l": 68.627
  },
  "oklch": {
    "l": 0.72335,
    "c": 0.03454,
    "h": 285.5
  },
  "luminance": 0.37569
}

Semantic roles & 50–950 ramp

primary
#A3A3BB
secondary
#E0E0D9
accent
#994C99
background
#FBFBFC
surface
#F6F6F9
border
#D0D0D2
text
#121213
muted
#818182

Preview Lab

Preview with #A3A3BB

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

Preview Lab → · Contrast checker → · Palette generator →

#A3A3BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva