#18708B#18708B

#18708B is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 50.9% C 0.088 H 224.1°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#18708B
RGBrgb(24, 112, 139)
HSLhsl(194, 71%, 32%)
HSVhsv(194, 83%, 55%)
CMYKcmyk(82.7%, 19.4%, 0%, 45.5%)
CIE-LABlab(43.72, -15.02, -21.88)
CIE-LCHlch(43.72, 26.54, 235.53°)
OKLaboklab(50.86% -0.0634 -0.0614)
OKLCHoklch(50.86% 0.088 224.1)
XYZxyz(10.8291, 13.6453, 26.4841)
Luminance0.1365 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18708B #8B3318
analogous
#188B6D #18708B #18378B
triadic
#18708B #8B1870 #708B18
tetradic
#18708B #6D188B #8B3318 #378B18
square
#18708B #6D188B #8B3318 #378B18
split-complementary
#18708B #8B1837 #8B6D18
monochromatic
#061C23 #0F4657 #18708B #219ABF #3FB9DE

Accessibility & contrast

On white

5.63
#18708B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.73
#18708B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18708B
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18708B#FFFFFF#000000##FFFFFF
##18708B1.005.633.735.63
#FFFFFF5.631.0021.001.00
#0000003.7321.001.0021.00
##FFFFFF5.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#616D8C
Deuteranopia (green-blind)
#52638B
Tritanopia (blue-blind)
#007879
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #18708b;
/* rgb */ color: rgb(24, 112, 139);
/* oklch */ color: oklch(50.9% 0.088 224.1);
Tailwind
colors: {
  custom: {
    50: '#6a99ad',
    500: '#18708b',
    950: '#000000',
  },
}
SCSS
$custom: #18708b;
$custom-light: #6a99ad;
$custom-dark: #000000;
JSON
{
  "hex": "#18708b",
  "rgb": {
    "r": 24,
    "g": 112,
    "b": 139
  },
  "hsl": {
    "h": 194.087,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.50858,
    "c": 0.08827,
    "h": 224.1
  },
  "luminance": 0.13647
}

Semantic roles & 50–950 ramp

primary
#18708B
secondary
#BE5E40
accent
#643AED
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #18708B

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

Preview Lab → · Contrast checker → · Palette generator →

#18708B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva