#166D80#166D80

#166D80 is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 49.5% C 0.082 H 216.7°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX#166D80
RGBrgb(22, 109, 128)
HSLhsl(191, 71%, 29%)
HSVhsv(191, 83%, 50%)
CMYKcmyk(82.8%, 14.8%, 0%, 49.8%)
CIE-LABlab(42.25, -17.49, -17.54)
CIE-LCHlch(42.25, 24.77, 225.09°)
OKLaboklab(49.52% -0.0657 -0.049)
OKLCHoklch(49.52% 0.082 216.7)
XYZxyz(9.6941, 12.6652, 22.3516)
Luminance0.1267 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#166D80 #802916
analogous
#16805E #166D80 #163880
triadic
#166D80 #80166D #6D8016
tetradic
#166D80 #5E1680 #802916 #388016
square
#166D80 #5E1680 #802916 #388016
split-complementary
#166D80 #801638 #805E16
monochromatic
#04161A #0D414C #166D80 #1F99B4 #34BEDC

Accessibility & contrast

On white

5.94
#166D80 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.53
#166D80 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166D80
5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##166D80#FFFFFF#000000##FFFFFF
##166D801.005.943.535.94
#FFFFFF5.941.0021.001.00
#0000003.5321.001.0021.00
##FFFFFF5.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#606981
Deuteranopia (green-blind)
#525F80
Tritanopia (blue-blind)
#007473
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #166d80;
/* rgb */ color: rgb(22, 109, 128);
/* oklch */ color: oklch(49.5% 0.082 216.7);
Tailwind
colors: {
  custom: {
    50: '#6897a5',
    500: '#166d80',
    950: '#000000',
  },
}
SCSS
$custom: #166d80;
$custom-light: #6897a5;
$custom-dark: #000000;
JSON
{
  "hex": "#166d80",
  "rgb": {
    "r": 22,
    "g": 109,
    "b": 128
  },
  "hsl": {
    "h": 190.755,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.49519,
    "c": 0.08196,
    "h": 216.7
  },
  "luminance": 0.12666
}

Semantic roles & 50–950 ramp

primary
#166D80
secondary
#B5533D
accent
#5A3AED
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070D0F
muted
#7A7E7F

Preview Lab

Preview with #166D80

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

Preview Lab → · Contrast checker → · Palette generator →

#166D80 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva