#1B7381#1B7381

#1B7381 is a mid, moderate teal. Relative luminance 0.141; OKLCH L 51.2% C 0.081 H 210.9°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX#1B7381
RGBrgb(27, 115, 129)
HSLhsl(188, 65%, 31%)
HSVhsv(188, 79%, 51%)
CMYKcmyk(79.1%, 10.9%, 0%, 49.4%)
CIE-LABlab(44.34, -19.86, -14.94)
CIE-LCHlch(44.34, 24.86, 216.95°)
OKLaboklab(51.24% -0.0696 -0.0416)
OKLCHoklch(51.24% 0.081 210.9)
XYZxyz(10.5435, 14.0782, 22.9263)
Luminance0.1408 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B7381 #81291B
analogous
#1B815C #1B7381 #1B4081
triadic
#1B7381 #811B73 #73811B
tetradic
#1B7381 #5C1B81 #81291B #40811B
square
#1B7381 #5C1B81 #81291B #40811B
split-complementary
#1B7381 #811B40 #815C1B
monochromatic
#06191C #10464E #1B7381 #26A0B4 #3FC2D7

Accessibility & contrast

On white

5.50
#1B7381 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.82
#1B7381 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7381
5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B7381#FFFFFF#000000##FFFFFF
##1B73811.005.503.825.50
#FFFFFF5.501.0021.001.00
#0000003.8221.001.0021.00
##FFFFFF5.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#686F82
Deuteranopia (green-blind)
#5A6481
Tritanopia (blue-blind)
#007977
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #1b7381;
/* rgb */ color: rgb(27, 115, 129);
/* oklch */ color: oklch(51.2% 0.081 210.9);
Tailwind
colors: {
  custom: {
    50: '#6a9ba5',
    500: '#1b7381',
    950: '#000000',
  },
}
SCSS
$custom: #1b7381;
$custom-light: #6a9ba5;
$custom-dark: #000000;
JSON
{
  "hex": "#1b7381",
  "rgb": {
    "r": 27,
    "g": 115,
    "b": 129
  },
  "hsl": {
    "h": 188.235,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.51244,
    "c": 0.08109,
    "h": 210.9
  },
  "luminance": 0.14079
}

Semantic roles & 50–950 ramp

primary
#1B7381
secondary
#B55343
accent
#573FE8
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070E0F
muted
#7A7E7F

Preview Lab

Preview with #1B7381

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

Preview Lab → · Contrast checker → · Palette generator →

#1B7381 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva