#1B878B#1B878B

#1B878B is a mid, moderate teal. Relative luminance 0.194; OKLCH L 56.9% C 0.091 H 198.8°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#1B878B
RGBrgb(27, 135, 139)
HSLhsl(182, 67%, 33%)
HSVhsv(182, 81%, 55%)
CMYKcmyk(80.6%, 2.9%, 0%, 45.5%)
CIE-LABlab(51.18, -26.93, -10.51)
CIE-LCHlch(51.18, 28.91, 201.32°)
OKLaboklab(56.89% -0.0858 -0.0292)
OKLCHoklch(56.89% 0.091 198.8)
XYZxyz(13.7740, 19.4233, 27.4442)
Luminance0.1943 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B878B #8B1F1B
analogous
#1B8B57 #1B878B #1B4F8B
triadic
#1B878B #8B1B87 #878B1B
tetradic
#1B878B #571B8B #8B1F1B #4F8B1B
square
#1B878B #571B8B #8B1F1B #4F8B1B
split-complementary
#1B878B #8B1B4F #8B571B
monochromatic
#072325 #115558 #1B878B #25B9BE #45D6DB

Accessibility & contrast

On white

4.30
#1B878B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.89
#1B878B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B878B
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B878B#FFFFFF#000000##000000
##1B878B1.004.304.894.89
#FFFFFF4.301.0021.0021.00
#0000004.8921.001.001.00
##0000004.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D808B
Deuteranopia (green-blind)
#6D758C
Tritanopia (blue-blind)
#008C88
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #1b878b;
/* rgb */ color: rgb(27, 135, 139);
/* oklch */ color: oklch(56.9% 0.091 198.8);
Tailwind
colors: {
  custom: {
    50: '#6eaaac',
    500: '#1b878b',
    950: '#000000',
  },
}
SCSS
$custom: #1b878b;
$custom-light: #6eaaac;
$custom-dark: #000000;
JSON
{
  "hex": "#1b878b",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 139
  },
  "hsl": {
    "h": 182.143,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56894,
    "c": 0.09059,
    "h": 198.8
  },
  "luminance": 0.19425
}

Semantic roles & 50–950 ramp

primary
#1B878B
secondary
#BC4A45
accent
#443DEA
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#081010
muted
#7B7F7F

Preview Lab

Preview with #1B878B

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

Preview Lab → · Contrast checker → · Palette generator →

#1B878B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva