#166E88#166E88

#166E88 is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.2% C 0.087 H 223.4°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX#166E88
RGBrgb(22, 110, 136)
HSLhsl(194, 72%, 31%)
HSVhsv(194, 84%, 53%)
CMYKcmyk(83.8%, 19.1%, 0%, 46.7%)
CIE-LABlab(42.91, -15.17, -21.34)
CIE-LCHlch(42.91, 26.18, 234.58°)
OKLaboklab(50.16% -0.0633 -0.0599)
OKLCHoklch(50.16% 0.087 223.4)
XYZxyz(10.3489, 13.0987, 25.2706)
Luminance0.1310 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#166E88 #883016
analogous
#168869 #166E88 #163588
triadic
#166E88 #88166E #6E8816
tetradic
#166E88 #691688 #883016 #358816
square
#166E88 #691688 #883016 #358816
split-complementary
#166E88 #881635 #886916
monochromatic
#05191F #0D4353 #166E88 #1F99BD #39B9DF

Accessibility & contrast

On white

5.80
#166E88 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.62
#166E88 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166E88
5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##166E88#FFFFFF#000000##FFFFFF
##166E881.005.803.625.80
#FFFFFF5.801.0021.001.00
#0000003.6221.001.0021.00
##FFFFFF5.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F6B89
Deuteranopia (green-blind)
#506188
Tritanopia (blue-blind)
#007676
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #166e88;
/* rgb */ color: rgb(22, 110, 136);
/* oklch */ color: oklch(50.2% 0.087 223.4);
Tailwind
colors: {
  custom: {
    50: '#6997aa',
    500: '#166e88',
    950: '#000000',
  },
}
SCSS
$custom: #166e88;
$custom-light: #6997aa;
$custom-dark: #000000;
JSON
{
  "hex": "#166e88",
  "rgb": {
    "r": 22,
    "g": 110,
    "b": 136
  },
  "hsl": {
    "h": 193.684,
    "s": 72.152,
    "l": 30.98
  },
  "oklch": {
    "l": 0.50157,
    "c": 0.08716,
    "h": 223.4
  },
  "luminance": 0.131
}

Semantic roles & 50–950 ramp

primary
#166E88
secondary
#BC5B3E
accent
#6239EF
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070D10
muted
#7A7E7F

Preview Lab

Preview with #166E88

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

Preview Lab → · Contrast checker → · Palette generator →

#166E88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva