#1B8571#1B8571

#1B8571 is a mid, moderate teal. Relative luminance 0.182; OKLCH L 55.5% C 0.096 H 176.3°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#1B8571
RGBrgb(27, 133, 113)
HSLhsl(169, 66%, 31%)
HSVhsv(169, 80%, 52%)
CMYKcmyk(79.7%, 0%, 15%, 47.8%)
CIE-LABlab(49.74, -33.78, 2.55)
CIE-LCHlch(49.74, 33.88, 175.69°)
OKLaboklab(55.46% -0.0962 0.0062)
OKLCHoklch(55.46% 0.096 176.3)
XYZxyz(11.8186, 18.1989, 18.5094)
Luminance0.1820 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8571 #851B2F
analogous
#1B853C #1B8571 #1B6485
triadic
#1B8571 #711B85 #85711B
tetradic
#1B8571 #3C1B85 #851B2F #64851B
square
#1B8571 #3C1B85 #851B2F #64851B
split-complementary
#1B8571 #851B64 #853C1B
monochromatic
#061F1B #115246 #1B8571 #25B89C #42D9BC

Accessibility & contrast

On white

4.53
#1B8571 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.64
#1B8571 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8571
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8571#FFFFFF#000000##000000
##1B85711.004.534.644.64
#FFFFFF4.531.0021.0021.00
#0000004.6421.001.001.00
##0000004.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#807C70
Deuteranopia (green-blind)
#727273
Tritanopia (blue-blind)
#00877F
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #1b8571;
/* rgb */ color: rgb(27, 133, 113);
/* oklch */ color: oklch(55.5% 0.096 176.3);
Tailwind
colors: {
  custom: {
    50: '#6ba999',
    500: '#1b8571',
    950: '#000000',
  },
}
SCSS
$custom: #1b8571;
$custom-light: #6ba999;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8571",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 113
  },
  "hsl": {
    "h": 168.679,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55457,
    "c": 0.09642,
    "h": 176.3
  },
  "luminance": 0.182
}

Semantic roles & 50–950 ramp

primary
#1B8571
secondary
#B8445A
accent
#3F5FE9
background
#F6FAF9
surface
#ECF4F2
border
#C7CECC
text
#08100E
muted
#7A7F7E

Preview Lab

Preview with #1B8571

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8571 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva