#18738D#18738D

#18738D is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 51.7% C 0.089 H 222.5°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX#18738D
RGBrgb(24, 115, 141)
HSLhsl(193, 71%, 32%)
HSVhsv(193, 83%, 55%)
CMYKcmyk(83%, 18.4%, 0%, 44.7%)
CIE-LABlab(44.77, -15.98, -21.45)
CIE-LCHlch(44.77, 26.75, 233.31°)
OKLaboklab(51.73% -0.0656 -0.0601)
OKLCHoklch(51.73% 0.089 222.5)
XYZxyz(11.3131, 14.3773, 27.3730)
Luminance0.1438 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18738D #8D3218
analogous
#188D6C #18738D #18398D
triadic
#18738D #8D1873 #738D18
tetradic
#18738D #6C188D #8D3218 #398D18
square
#18738D #6C188D #8D3218 #398D18
split-complementary
#18738D #8D1839 #8D6C18
monochromatic
#061E24 #0F4859 #18738D #219EC1 #41BCDF

Accessibility & contrast

On white

5.42
#18738D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#18738D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18738D
5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18738D#FFFFFF#000000##FFFFFF
##18738D1.005.423.885.42
#FFFFFF5.421.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#64708E
Deuteranopia (green-blind)
#55658D
Tritanopia (blue-blind)
#007B7B
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #18738d;
/* rgb */ color: rgb(24, 115, 141);
/* oklch */ color: oklch(51.7% 0.089 222.5);
Tailwind
colors: {
  custom: {
    50: '#6b9bae',
    500: '#18738d',
    950: '#000000',
  },
}
SCSS
$custom: #18738d;
$custom-light: #6b9bae;
$custom-dark: #000000;
JSON
{
  "hex": "#18738d",
  "rgb": {
    "r": 24,
    "g": 115,
    "b": 141
  },
  "hsl": {
    "h": 193.333,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.51728,
    "c": 0.08902,
    "h": 222.5
  },
  "luminance": 0.14379
}

Semantic roles & 50–950 ramp

primary
#18738D
secondary
#BF5D42
accent
#623AEE
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #18738D

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

Preview Lab → · Contrast checker → · Palette generator →

#18738D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva