#186D8D#186D8D

#186D8D is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.2% C 0.091 H 229.0°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX#186D8D
RGBrgb(24, 109, 141)
HSLhsl(196, 71%, 32%)
HSVhsv(196, 83%, 55%)
CMYKcmyk(83%, 22.7%, 0%, 44.7%)
CIE-LABlab(42.84, -12.58, -24.43)
CIE-LCHlch(42.84, 27.48, 242.76°)
OKLaboklab(50.19% -0.0597 -0.0687)
OKLCHoklch(50.19% 0.091 229)
XYZxyz(10.6511, 13.0532, 27.1523)
Luminance0.1305 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#186D8D #8D3818
analogous
#188D72 #186D8D #18338D
triadic
#186D8D #8D186D #6D8D18
tetradic
#186D8D #72188D #8D3818 #338D18
square
#186D8D #72188D #8D3818 #338D18
split-complementary
#186D8D #8D1833 #8D7218
monochromatic
#061C24 #0F4559 #186D8D #2195C1 #41B3DF

Accessibility & contrast

On white

5.82
#186D8D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.61
#186D8D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186D8D
5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##186D8D#FFFFFF#000000##FFFFFF
##186D8D1.005.823.615.82
#FFFFFF5.821.0021.001.00
#0000003.6121.001.0021.00
##FFFFFF5.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C6B8F
Deuteranopia (green-blind)
#4D608D
Tritanopia (blue-blind)
#007678
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #186d8d;
/* rgb */ color: rgb(24, 109, 141);
/* oklch */ color: oklch(50.2% 0.091 229.0);
Tailwind
colors: {
  custom: {
    50: '#6a96ae',
    500: '#186d8d',
    950: '#000000',
  },
}
SCSS
$custom: #186d8d;
$custom-light: #6a96ae;
$custom-dark: #000000;
JSON
{
  "hex": "#186d8d",
  "rgb": {
    "r": 24,
    "g": 109,
    "b": 141
  },
  "hsl": {
    "h": 196.41,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.50185,
    "c": 0.09103,
    "h": 229
  },
  "luminance": 0.13055
}

Semantic roles & 50–950 ramp

primary
#186D8D
secondary
#BF6442
accent
#6B3AEE
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080D10
muted
#7A7E7F

Preview Lab

Preview with #186D8D

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

Preview Lab → · Contrast checker → · Palette generator →

#186D8D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva