#166F88#166F88

#166F88 is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.4% C 0.087 H 222.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX#166F88
RGBrgb(22, 111, 136)
HSLhsl(193, 72%, 31%)
HSVhsv(193, 84%, 53%)
CMYKcmyk(83.8%, 18.4%, 0%, 46.7%)
CIE-LABlab(43.24, -15.74, -20.84)
CIE-LCHlch(43.24, 26.11, 232.94°)
OKLaboklab(50.42% -0.0644 -0.0584)
OKLCHoklch(50.42% 0.087 222.2)
XYZxyz(10.4574, 13.3157, 25.3068)
Luminance0.1332 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#166F88 #882F16
analogous
#168868 #166F88 #163688
triadic
#166F88 #88166F #6F8816
tetradic
#166F88 #681688 #882F16 #368816
square
#166F88 #681688 #882F16 #368816
split-complementary
#166F88 #881636 #886816
monochromatic
#05191F #0D4453 #166F88 #1F9ABD #39BBDF

Accessibility & contrast

On white

5.73
#166F88 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.66
#166F88 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166F88
5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##166F88#FFFFFF#000000##FFFFFF
##166F881.005.733.665.73
#FFFFFF5.731.0021.001.00
#0000003.6621.001.0021.00
##FFFFFF5.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#606C89
Deuteranopia (green-blind)
#526188
Tritanopia (blue-blind)
#007777
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #166f88;
/* rgb */ color: rgb(22, 111, 136);
/* oklch */ color: oklch(50.4% 0.087 222.2);
Tailwind
colors: {
  custom: {
    50: '#6998aa',
    500: '#166f88',
    950: '#000000',
  },
}
SCSS
$custom: #166f88;
$custom-light: #6998aa;
$custom-dark: #000000;
JSON
{
  "hex": "#166f88",
  "rgb": {
    "r": 22,
    "g": 111,
    "b": 136
  },
  "hsl": {
    "h": 193.158,
    "s": 72.152,
    "l": 30.98
  },
  "oklch": {
    "l": 0.50417,
    "c": 0.08692,
    "h": 222.2
  },
  "luminance": 0.13317
}

Semantic roles & 50–950 ramp

primary
#166F88
secondary
#BC593E
accent
#6139EF
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070D10
muted
#7A7E7F

Preview Lab

Preview with #166F88

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

Preview Lab → · Contrast checker → · Palette generator →

#166F88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva