#1B5955#1B5955

#1B5955 is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.4% C 0.062 H 189.0°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX#1B5955
RGBrgb(27, 89, 85)
HSLhsl(176, 53%, 23%)
HSVhsv(176, 70%, 35%)
CMYKcmyk(69.7%, 0%, 4.5%, 65.1%)
CIE-LABlab(34.05, -20.45, -3.47)
CIE-LCHlch(34.05, 20.74, 189.63°)
OKLaboklab(42.39% -0.0615 -0.0097)
OKLCHoklch(42.39% 0.062 189)
XYZxyz(5.6633, 8.0330, 9.8446)
Luminance0.0803 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5955 #591B1F
analogous
#1B5936 #1B5955 #1B3E59
triadic
#1B5955 #551B59 #59551B
tetradic
#1B5955 #361B59 #591B1F #3E591B
square
#1B5955 #361B59 #591B1F #3E591B
split-complementary
#1B5955 #591B3E #59361B
monochromatic
#071716 #0D2A28 #1B5955 #298882 #37B7AF

Accessibility & contrast

On white

8.06
#1B5955 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#1B5955 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5955
8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5955#FFFFFF#000000##FFFFFF
##1B59551.008.062.618.06
#FFFFFF8.061.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#545455
Deuteranopia (green-blind)
#4A4D56
Tritanopia (blue-blind)
#005B58
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #1b5955;
/* rgb */ color: rgb(27, 89, 85);
/* oklch */ color: oklch(42.4% 0.062 189.0);
Tailwind
colors: {
  custom: {
    50: '#618884',
    500: '#1b5955',
    950: '#000000',
  },
}
SCSS
$custom: #1b5955;
$custom-light: #618884;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5955",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 85
  },
  "hsl": {
    "h": 176.129,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.42391,
    "c": 0.0623,
    "h": 189
  },
  "luminance": 0.08034
}

Semantic roles & 50–950 ramp

primary
#1B5955
secondary
#8F4146
accent
#4B54DD
background
#F6F8F8
surface
#EBF0EF
border
#C6CBCA
text
#050B0B
muted
#7A7C7C

Preview Lab

Preview with #1B5955

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5955 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva