#1B5E4E#1B5E4E

#1B5E4E is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.6% C 0.072 H 173.7°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX#1B5E4E
RGBrgb(27, 94, 78)
HSLhsl(166, 55%, 24%)
HSVhsv(166, 71%, 37%)
CMYKcmyk(71.3%, 0%, 17%, 63.1%)
CIE-LABlab(35.57, -25.12, 3.12)
CIE-LCHlch(35.57, 25.31, 172.91°)
OKLaboklab(43.56% -0.0711 0.0079)
OKLCHoklch(43.56% 0.072 173.7)
XYZxyz(5.8292, 8.7878, 8.5953)
Luminance0.0879 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5E4E #5E1B2B
analogous
#1B5E2C #1B5E4E #1B4C5E
triadic
#1B5E4E #4E1B5E #5E4E1B
tetradic
#1B5E4E #2C1B5E #5E1B2B #4C5E1B
square
#1B5E4E #2C1B5E #5E1B2B #4C5E1B
split-complementary
#1B5E4E #5E1B4C #5E2C1B
monochromatic
#071814 #0D2E27 #1B5E4E #298E75 #36BD9D

Accessibility & contrast

On white

7.62
#1B5E4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.76
#1B5E4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5E4E
7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5E4E#FFFFFF#000000##FFFFFF
##1B5E4E1.007.622.767.62
#FFFFFF7.621.0021.001.00
#0000002.7621.001.0021.00
##FFFFFF7.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B584D
Deuteranopia (green-blind)
#51514F
Tritanopia (blue-blind)
#005F59
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #1b5e4e;
/* rgb */ color: rgb(27, 94, 78);
/* oklch */ color: oklch(43.6% 0.072 173.7);
Tailwind
colors: {
  custom: {
    50: '#618c7f',
    500: '#1b5e4e',
    950: '#000000',
  },
}
SCSS
$custom: #1b5e4e;
$custom-light: #618c7f;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5e4e",
  "rgb": {
    "r": 27,
    "g": 94,
    "b": 78
  },
  "hsl": {
    "h": 165.672,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.43559,
    "c": 0.07155,
    "h": 173.7
  },
  "luminance": 0.08788
}

Semantic roles & 50–950 ramp

primary
#1B5E4E
secondary
#944155
accent
#496DDF
background
#F6F8F7
surface
#EBF0EE
border
#C6CBC9
text
#050C0A
muted
#7A7D7C

Preview Lab

Preview with #1B5E4E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5E4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva