#166C80#166C80

#166C80 is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.3% C 0.082 H 218.0°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#166C80
RGBrgb(22, 108, 128)
HSLhsl(191, 71%, 29%)
HSVhsv(191, 83%, 50%)
CMYKcmyk(82.8%, 15.6%, 0%, 49.8%)
CIE-LABlab(41.93, -16.93, -18.04)
CIE-LCHlch(41.93, 24.74, 226.82°)
OKLaboklab(49.26% -0.0647 -0.0505)
OKLCHoklch(49.26% 0.082 218)
XYZxyz(9.5881, 12.4530, 22.3162)
Luminance0.1245 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#166C80 #802A16
analogous
#16805F #166C80 #163780
triadic
#166C80 #80166C #6C8016
tetradic
#166C80 #5F1680 #802A16 #378016
square
#166C80 #5F1680 #802A16 #378016
split-complementary
#166C80 #801637 #805F16
monochromatic
#04161A #0D404C #166C80 #1F98B4 #34BCDC

Accessibility & contrast

On white

6.02
#166C80 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.49
#166C80 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166C80
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##166C80#FFFFFF#000000##FFFFFF
##166C801.006.023.496.02
#FFFFFF6.021.0021.001.00
#0000003.4921.001.0021.00
##FFFFFF6.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F6981
Deuteranopia (green-blind)
#515F80
Tritanopia (blue-blind)
#007372
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #166c80;
/* rgb */ color: rgb(22, 108, 128);
/* oklch */ color: oklch(49.3% 0.082 218.0);
Tailwind
colors: {
  custom: {
    50: '#6896a5',
    500: '#166c80',
    950: '#000000',
  },
}
SCSS
$custom: #166c80;
$custom-light: #6896a5;
$custom-dark: #000000;
JSON
{
  "hex": "#166c80",
  "rgb": {
    "r": 22,
    "g": 108,
    "b": 128
  },
  "hsl": {
    "h": 191.321,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.49255,
    "c": 0.08203,
    "h": 218
  },
  "luminance": 0.12454
}

Semantic roles & 50–950 ramp

primary
#166C80
secondary
#B5543D
accent
#5C3AED
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070D0F
muted
#7A7E7F

Preview Lab

Preview with #166C80

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

Preview Lab → · Contrast checker → · Palette generator →

#166C80 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva