#18818B#18818B

#18818B is a mid, moderate teal. Relative luminance 0.178; OKLCH L 55.3% C 0.089 H 205.0°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX#18818B
RGBrgb(24, 129, 139)
HSLhsl(185, 71%, 32%)
HSVhsv(185, 83%, 55%)
CMYKcmyk(82.7%, 7.2%, 0%, 45.5%)
CIE-LABlab(49.20, -24.18, -13.50)
CIE-LCHlch(49.20, 27.69, 209.17°)
OKLaboklab(55.28% -0.0806 -0.0376)
OKLCHoklch(55.28% 0.089 205)
XYZxyz(12.8851, 17.7572, 27.1695)
Luminance0.1776 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18818B #8B2218
analogous
#188B5B #18818B #18488B
triadic
#18818B #8B1881 #818B18
tetradic
#18818B #5B188B #8B2218 #488B18
square
#18818B #5B188B #8B2218 #488B18
split-complementary
#18818B #8B1848 #8B5B18
monochromatic
#062023 #0F5157 #18818B #21B1BF #3FD0DE

Accessibility & contrast

On white

4.61
#18818B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.55
#18818B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #18818B
4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18818B#FFFFFF#000000##FFFFFF
##18818B1.004.614.554.61
#FFFFFF4.611.0021.001.00
#0000004.5521.001.0021.00
##FFFFFF4.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#767B8C
Deuteranopia (green-blind)
#66708B
Tritanopia (blue-blind)
#008784
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #18818b;
/* rgb */ color: rgb(24, 129, 139);
/* oklch */ color: oklch(55.3% 0.089 205.0);
Tailwind
colors: {
  custom: {
    50: '#6ca6ac',
    500: '#18818b',
    950: '#000000',
  },
}
SCSS
$custom: #18818b;
$custom-light: #6ca6ac;
$custom-dark: #000000;
JSON
{
  "hex": "#18818b",
  "rgb": {
    "r": 24,
    "g": 129,
    "b": 139
  },
  "hsl": {
    "h": 185.217,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.55277,
    "c": 0.08891,
    "h": 205
  },
  "luminance": 0.17759
}

Semantic roles & 50–950 ramp

primary
#18818B
secondary
#BE4B40
accent
#4A3AED
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#080F10
muted
#7B7F7F

Preview Lab

Preview with #18818B

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

Preview Lab → · Contrast checker → · Palette generator →

#18818B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva