#1B8585#1B8585

#1B8585 is a mid, moderate teal. Relative luminance 0.187; OKLCH L 56.1% C 0.089 H 194.9°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#1B8585
RGBrgb(27, 133, 133)
HSLhsl(180, 66%, 31%)
HSVhsv(180, 80%, 52%)
CMYKcmyk(79.7%, 0%, 0%, 47.8%)
CIE-LABlab(50.33, -27.84, -8.27)
CIE-LCHlch(50.33, 29.04, 196.55°)
OKLaboklab(56.14% -0.0865 -0.023)
OKLCHoklch(56.14% 0.089 194.9)
XYZxyz(13.0712, 18.6999, 25.1063)
Luminance0.1870 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8585 #851B1B
analogous
#1B8550 #1B8585 #1B5085
triadic
#1B8585 #851B85 #85851B
tetradic
#1B8585 #501B85 #851B1B #50851B
square
#1B8585 #501B85 #851B1B #50851B
split-complementary
#1B8585 #851B50 #85501B
monochromatic
#061F1F #115252 #1B8585 #25B8B8 #42D9D9

Accessibility & contrast

On white

4.43
#1B8585 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.74
#1B8585 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8585
4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8585#FFFFFF#000000##000000
##1B85851.004.434.744.74
#FFFFFF4.431.0021.0021.00
#0000004.7421.001.001.00
##0000004.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C7E85
Deuteranopia (green-blind)
#6D7386
Tritanopia (blue-blind)
#008985
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #1b8585;
/* rgb */ color: rgb(27, 133, 133);
/* oklch */ color: oklch(56.1% 0.089 194.9);
Tailwind
colors: {
  custom: {
    50: '#6da9a8',
    500: '#1b8585',
    950: '#000000',
  },
}
SCSS
$custom: #1b8585;
$custom-light: #6da9a8;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8585",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 133
  },
  "hsl": {
    "h": 180,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.56142,
    "c": 0.08949,
    "h": 194.9
  },
  "luminance": 0.18702
}

Semantic roles & 50–950 ramp

primary
#1B8585
secondary
#B84444
accent
#3F3FE9
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#08100F
muted
#7B7F7F

Preview Lab

Preview with #1B8585

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8585 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva