#1B8374#1B8374

#1B8374 is a mid, moderate teal. Relative luminance 0.177; OKLCH L 55.0% C 0.093 H 180.4°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#1B8374
RGBrgb(27, 131, 116)
HSLhsl(171, 66%, 31%)
HSVhsv(171, 79%, 51%)
CMYKcmyk(79.4%, 0%, 11.5%, 48.6%)
CIE-LABlab(49.16, -32.01, -0.05)
CIE-LCHlch(49.16, 32.01, 180.08°)
OKLaboklab(55.01% -0.0926 -0.0007)
OKLCHoklch(55.01% 0.093 180.4)
XYZxyz(11.7191, 17.7251, 19.3233)
Luminance0.1773 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8374 #831B2A
analogous
#1B8340 #1B8374 #1B5E83
triadic
#1B8374 #741B83 #83741B
tetradic
#1B8374 #401B83 #831B2A #5E831B
square
#1B8374 #401B83 #831B2A #5E831B
split-complementary
#1B8374 #831B5E #83401B
monochromatic
#061E1A #115047 #1B8374 #25B6A1 #41D8C2

Accessibility & contrast

On white

4.62
#1B8374 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.55
#1B8374 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8374
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8374#FFFFFF#000000##FFFFFF
##1B83741.004.624.554.62
#FFFFFF4.621.0021.001.00
#0000004.5521.001.0021.00
##FFFFFF4.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#7D7B73
Deuteranopia (green-blind)
#6F7175
Tritanopia (blue-blind)
#00857E
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #1b8374;
/* rgb */ color: rgb(27, 131, 116);
/* oklch */ color: oklch(55.0% 0.093 180.4);
Tailwind
colors: {
  custom: {
    50: '#6ba79c',
    500: '#1b8374',
    950: '#000000',
  },
}
SCSS
$custom: #1b8374;
$custom-light: #6ba79c;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8374",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 116
  },
  "hsl": {
    "h": 171.346,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55014,
    "c": 0.09262,
    "h": 180.4
  },
  "luminance": 0.17727
}

Semantic roles & 50–950 ramp

primary
#1B8374
secondary
#B64354
accent
#3F58E9
background
#F6FAF9
surface
#ECF4F2
border
#C7CECC
text
#080F0E
muted
#7A7F7E

Preview Lab

Preview with #1B8374

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8374 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva