#1B7181#1B7181

#1B7181 is a mid, moderate teal. Relative luminance 0.136; OKLCH L 50.7% C 0.081 H 213.3°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX#1B7181
RGBrgb(27, 113, 129)
HSLhsl(189, 65%, 31%)
HSVhsv(189, 79%, 51%)
CMYKcmyk(79.1%, 12.4%, 0%, 49.4%)
CIE-LABlab(43.69, -18.78, -15.93)
CIE-LCHlch(43.69, 24.63, 220.31°)
OKLaboklab(50.72% -0.0675 -0.0444)
OKLCHoklch(50.72% 0.081 213.3)
XYZxyz(10.3179, 13.6270, 22.8511)
Luminance0.1363 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B7181 #812B1B
analogous
#1B815E #1B7181 #1B3E81
triadic
#1B7181 #811B71 #71811B
tetradic
#1B7181 #5E1B81 #812B1B #3E811B
square
#1B7181 #5E1B81 #812B1B #3E811B
split-complementary
#1B7181 #811B3E #815E1B
monochromatic
#06181C #10454E #1B7181 #269DB4 #3FBFD7

Accessibility & contrast

On white

5.64
#1B7181 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.73
#1B7181 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7181
5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B7181#FFFFFF#000000##FFFFFF
##1B71811.005.643.735.64
#FFFFFF5.641.0021.001.00
#0000003.7321.001.0021.00
##FFFFFF5.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#656D82
Deuteranopia (green-blind)
#576381
Tritanopia (blue-blind)
#007776
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #1b7181;
/* rgb */ color: rgb(27, 113, 129);
/* oklch */ color: oklch(50.7% 0.081 213.3);
Tailwind
colors: {
  custom: {
    50: '#6a9aa5',
    500: '#1b7181',
    950: '#000000',
  },
}
SCSS
$custom: #1b7181;
$custom-light: #6a9aa5;
$custom-dark: #000000;
JSON
{
  "hex": "#1b7181",
  "rgb": {
    "r": 27,
    "g": 113,
    "b": 129
  },
  "hsl": {
    "h": 189.412,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.50718,
    "c": 0.08082,
    "h": 213.3
  },
  "luminance": 0.13628
}

Semantic roles & 50–950 ramp

primary
#1B7181
secondary
#B55543
accent
#5A3FE8
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070E0F
muted
#7A7E7F

Preview Lab

Preview with #1B7181

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

Preview Lab → · Contrast checker → · Palette generator →

#1B7181 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva