#166A7C#166A7C

#166A7C is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.5% C 0.080 H 216.3°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX#166A7C
RGBrgb(22, 106, 124)
HSLhsl(191, 70%, 29%)
HSVhsv(191, 82%, 49%)
CMYKcmyk(82.3%, 14.5%, 0%, 51.4%)
CIE-LABlab(41.11, -17.24, -16.88)
CIE-LCHlch(41.11, 24.13, 224.40°)
OKLaboklab(48.54% -0.0643 -0.0472)
OKLCHoklch(48.54% 0.08 216.3)
XYZxyz(9.1214, 11.9327, 20.8874)
Luminance0.1193 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#166A7C #7C2816
analogous
#167C5B #166A7C #16377C
triadic
#166A7C #7C166A #6A7C16
tetradic
#166A7C #5B167C #7C2816 #377C16
square
#166A7C #5B167C #7C2816 #377C16
split-complementary
#166A7C #7C1637 #7C5B16
monochromatic
#05161A #0D3E48 #166A7C #1F96B0 #32BDDB

Accessibility & contrast

On white

6.20
#166A7C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.39
#166A7C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166A7C
6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##166A7C#FFFFFF#000000##FFFFFF
##166A7C1.006.203.396.20
#FFFFFF6.201.0021.001.00
#0000003.3921.001.0021.00
##FFFFFF6.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E667D
Deuteranopia (green-blind)
#505D7C
Tritanopia (blue-blind)
#007070
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #166a7c;
/* rgb */ color: rgb(22, 106, 124);
/* oklch */ color: oklch(48.5% 0.080 216.3);
Tailwind
colors: {
  custom: {
    50: '#6794a2',
    500: '#166a7c',
    950: '#000000',
  },
}
SCSS
$custom: #166a7c;
$custom-light: #6794a2;
$custom-dark: #000000;
JSON
{
  "hex": "#166a7c",
  "rgb": {
    "r": 22,
    "g": 106,
    "b": 124
  },
  "hsl": {
    "h": 190.588,
    "s": 69.863,
    "l": 28.627
  },
  "oklch": {
    "l": 0.48543,
    "c": 0.07975,
    "h": 216.3
  },
  "luminance": 0.11934
}

Semantic roles & 50–950 ramp

primary
#166A7C
secondary
#B1513D
accent
#5A3BED
background
#F6F9F9
surface
#EBF1F2
border
#C6CBCC
text
#070D0F
muted
#7A7E7E

Preview Lab

Preview with #166A7C

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

Preview Lab → · Contrast checker → · Palette generator →

#166A7C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva