#18ACB3#18ACB3

#18ACB3 is a light, moderate teal. Relative luminance 0.330; OKLCH L 67.8% C 0.112 H 200.2°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX#18ACB3
RGBrgb(24, 172, 179)
HSLhsl(183, 76%, 40%)
HSVhsv(183, 87%, 70%)
CMYKcmyk(86.6%, 3.9%, 0%, 29.8%)
CIE-LABlab(64.12, -32.59, -13.83)
CIE-LCHlch(64.12, 35.41, 203.00°)
OKLaboklab(67.83% -0.1049 -0.0385)
OKLCHoklch(67.83% 0.112 200.2)
XYZxyz(23.2621, 32.9509, 47.7732)
Luminance0.3295 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18ACB3 #B31F18
analogous
#18B36D #18ACB3 #185EB3
triadic
#18ACB3 #B318AC #ACB318
tetradic
#18ACB3 #6D18B3 #B31F18 #5EB318
square
#18ACB3 #6D18B3 #B31F18 #5EB318
split-complementary
#18ACB3 #B3185E #B36D18
monochromatic
#0A4447 #11787D #18ACB3 #26D9E2 #5CE3E9

Accessibility & contrast

On white

2.77
#18ACB3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.59
#18ACB3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #18ACB3
7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18ACB3#FFFFFF#000000##000000
##18ACB31.002.777.597.59
#FFFFFF2.771.0021.0021.00
#0000007.5921.001.001.00
##0000007.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EA4B4
Deuteranopia (green-blind)
#8A95B4
Tritanopia (blue-blind)
#00B3AE
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #18acb3;
/* rgb */ color: rgb(24, 172, 179);
/* oklch */ color: oklch(67.8% 0.112 200.2);
Tailwind
colors: {
  custom: {
    50: '#77c5c9',
    500: '#18acb3',
    950: '#000000',
  },
}
SCSS
$custom: #18acb3;
$custom-light: #77c5c9;
$custom-dark: #000000;
JSON
{
  "hex": "#18acb3",
  "rgb": {
    "r": 24,
    "g": 172,
    "b": 179
  },
  "hsl": {
    "h": 182.71,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.67833,
    "c": 0.1117,
    "h": 200.2
  },
  "luminance": 0.32954
}

Semantic roles & 50–950 ramp

primary
#18ACB3
secondary
#CD5F5A
accent
#3D35F3
background
#F8FCFC
surface
#EFF8F8
border
#CAD1D1
text
#0B1313
muted
#7C8282

Preview Lab

Preview with #18ACB3

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

Preview Lab → · Contrast checker → · Palette generator →

#18ACB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva