#186D90#186D90

#186D90 is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.3% C 0.094 H 231.4°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX#186D90
RGBrgb(24, 109, 144)
HSLhsl(198, 71%, 33%)
HSVhsv(198, 83%, 56%)
CMYKcmyk(83.3%, 24.3%, 0%, 43.5%)
CIE-LABlab(42.98, -11.47, -26.01)
CIE-LCHlch(42.98, 28.43, 246.21°)
OKLaboklab(50.34% -0.0585 -0.0733)
OKLCHoklch(50.34% 0.094 231.4)
XYZxyz(10.8773, 13.1437, 28.3439)
Luminance0.1315 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#186D90 #903B18
analogous
#189077 #186D90 #183190
triadic
#186D90 #90186D #6D9018
tetradic
#186D90 #771890 #903B18 #319018
square
#186D90 #771890 #903B18 #319018
split-complementary
#186D90 #901831 #907718
monochromatic
#071E27 #0F455C #186D90 #2195C4 #43B2E0

Accessibility & contrast

On white

5.79
#186D90 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.63
#186D90 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186D90
5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##186D90#FFFFFF#000000##FFFFFF
##186D901.005.793.635.79
#FFFFFF5.791.0021.001.00
#0000003.6321.001.0021.00
##FFFFFF5.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B6C92
Deuteranopia (green-blind)
#4C618F
Tritanopia (blue-blind)
#007679
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #186d90;
/* rgb */ color: rgb(24, 109, 144);
/* oklch */ color: oklch(50.3% 0.094 231.4);
Tailwind
colors: {
  custom: {
    50: '#6b96b0',
    500: '#186d90',
    950: '#000000',
  },
}
SCSS
$custom: #186d90;
$custom-light: #6b96b0;
$custom-dark: #000000;
JSON
{
  "hex": "#186d90",
  "rgb": {
    "r": 24,
    "g": 109,
    "b": 144
  },
  "hsl": {
    "h": 197.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.50338,
    "c": 0.09381,
    "h": 231.4
  },
  "luminance": 0.13145
}

Semantic roles & 50–950 ramp

primary
#186D90
secondary
#C06843
accent
#6E3AEE
background
#F7F9FA
surface
#EDF2F5
border
#C8CCCF
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #186D90

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

Preview Lab → · Contrast checker → · Palette generator →

#186D90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva