#1B8383#1B8383

#1B8383 is a mid, moderate teal. Relative luminance 0.181; OKLCH L 55.5% C 0.088 H 194.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#1B8383
RGBrgb(27, 131, 131)
HSLhsl(180, 66%, 31%)
HSVhsv(180, 79%, 51%)
CMYKcmyk(79.4%, 0%, 0%, 48.6%)
CIE-LABlab(49.62, -27.48, -8.17)
CIE-LCHlch(49.62, 28.66, 196.55°)
OKLaboklab(55.54% -0.0854 -0.0227)
OKLCHoklch(55.54% 0.088 194.9)
XYZxyz(12.6631, 18.1027, 24.2951)
Luminance0.1810 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8383 #831B1B
analogous
#1B834F #1B8383 #1B4F83
triadic
#1B8383 #831B83 #83831B
tetradic
#1B8383 #4F1B83 #831B1B #4F831B
square
#1B8383 #4F1B83 #831B1B #4F831B
split-complementary
#1B8383 #831B4F #834F1B
monochromatic
#061E1E #115050 #1B8383 #25B6B6 #41D8D8

Accessibility & contrast

On white

4.54
#1B8383 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.62
#1B8383 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8383
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8383#FFFFFF#000000##000000
##1B83831.004.544.624.62
#FFFFFF4.541.0021.0021.00
#0000004.6221.001.001.00
##0000004.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A7C83
Deuteranopia (green-blind)
#6B7184
Tritanopia (blue-blind)
#008783
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #1b8383;
/* rgb */ color: rgb(27, 131, 131);
/* oklch */ color: oklch(55.5% 0.088 194.9);
Tailwind
colors: {
  custom: {
    50: '#6ca7a7',
    500: '#1b8383',
    950: '#000000',
  },
}
SCSS
$custom: #1b8383;
$custom-light: #6ca7a7;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8383",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 131
  },
  "hsl": {
    "h": 180,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.5554,
    "c": 0.08833,
    "h": 194.9
  },
  "luminance": 0.18104
}

Semantic roles & 50–950 ramp

primary
#1B8383
secondary
#B64343
accent
#3F3FE9
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#080F0F
muted
#7B7F7F

Preview Lab

Preview with #1B8383

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8383 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva