#1B8583#1B8583

#1B8583 is a mid, moderate teal. Relative luminance 0.186; OKLCH L 56.1% C 0.090 H 192.9°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX#1B8583
RGBrgb(27, 133, 131)
HSLhsl(179, 66%, 31%)
HSVhsv(179, 80%, 52%)
CMYKcmyk(79.7%, 0%, 1.5%, 47.8%)
CIE-LABlab(50.27, -28.46, -7.20)
CIE-LCHlch(50.27, 29.36, 194.19°)
OKLaboklab(56.07% -0.0874 -0.0201)
OKLCHoklch(56.07% 0.09 192.9)
XYZxyz(12.9343, 18.6452, 24.3855)
Luminance0.1865 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8583 #851B1D
analogous
#1B854E #1B8583 #1B5285
triadic
#1B8583 #831B85 #85831B
tetradic
#1B8583 #4E1B85 #851B1D #52851B
square
#1B8583 #4E1B85 #851B1D #52851B
split-complementary
#1B8583 #851B52 #854E1B
monochromatic
#061F1F #115251 #1B8583 #25B8B5 #42D9D6

Accessibility & contrast

On white

4.44
#1B8583 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.73
#1B8583 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8583
4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8583#FFFFFF#000000##000000
##1B85831.004.444.734.73
#FFFFFF4.441.0021.0021.00
#0000004.7321.001.001.00
##0000004.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C7E83
Deuteranopia (green-blind)
#6D7384
Tritanopia (blue-blind)
#008984
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #1b8583;
/* rgb */ color: rgb(27, 133, 131);
/* oklch */ color: oklch(56.1% 0.090 192.9);
Tailwind
colors: {
  custom: {
    50: '#6da9a7',
    500: '#1b8583',
    950: '#000000',
  },
}
SCSS
$custom: #1b8583;
$custom-light: #6da9a7;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8583",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 131
  },
  "hsl": {
    "h": 178.868,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.56068,
    "c": 0.0897,
    "h": 192.9
  },
  "luminance": 0.18647
}

Semantic roles & 50–950 ramp

primary
#1B8583
secondary
#B84446
accent
#3F42E9
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#08100F
muted
#7B7F7F

Preview Lab

Preview with #1B8583

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8583 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva