#1B8381#1B8381

#1B8381 is a mid, moderate teal. Relative luminance 0.181; OKLCH L 55.5% C 0.089 H 192.9°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX#1B8381
RGBrgb(27, 131, 129)
HSLhsl(179, 66%, 31%)
HSVhsv(179, 79%, 51%)
CMYKcmyk(79.4%, 0%, 1.5%, 48.6%)
CIE-LABlab(49.56, -28.10, -7.09)
CIE-LCHlch(49.56, 28.98, 194.16°)
OKLaboklab(55.47% -0.0863 -0.0198)
OKLCHoklch(55.47% 0.089 192.9)
XYZxyz(12.5289, 18.0490, 23.5881)
Luminance0.1805 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8381 #831B1D
analogous
#1B834D #1B8381 #1B5183
triadic
#1B8381 #811B83 #83811B
tetradic
#1B8381 #4D1B83 #831B1D #51831B
square
#1B8381 #4D1B83 #831B1D #51831B
split-complementary
#1B8381 #831B51 #834D1B
monochromatic
#061E1D #11504F #1B8381 #25B6B3 #41D8D5

Accessibility & contrast

On white

4.56
#1B8381 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.61
#1B8381 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8381
4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8381#FFFFFF#000000##000000
##1B83811.004.564.614.61
#FFFFFF4.561.0021.0021.00
#0000004.6121.001.001.00
##0000004.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A7C81
Deuteranopia (green-blind)
#6C7182
Tritanopia (blue-blind)
#008782
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #1b8381;
/* rgb */ color: rgb(27, 131, 129);
/* oklch */ color: oklch(55.5% 0.089 192.9);
Tailwind
colors: {
  custom: {
    50: '#6ca7a5',
    500: '#1b8381',
    950: '#000000',
  },
}
SCSS
$custom: #1b8381;
$custom-light: #6ca7a5;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8381",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 129
  },
  "hsl": {
    "h": 178.846,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55466,
    "c": 0.08854,
    "h": 192.9
  },
  "luminance": 0.18051
}

Semantic roles & 50–950 ramp

primary
#1B8381
secondary
#B64346
accent
#3F42E9
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#080F0F
muted
#7B7F7F

Preview Lab

Preview with #1B8381

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8381 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva