#155B5C#155B5C

#155B5C is a dark, moderate teal. Relative luminance 0.084; OKLCH L 43.1% C 0.066 H 196.4°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX#155B5C
RGBrgb(21, 91, 92)
HSLhsl(181, 63%, 22%)
HSVhsv(181, 77%, 36%)
CMYKcmyk(77.2%, 1.1%, 0%, 63.9%)
CIE-LABlab(34.83, -20.22, -6.71)
CIE-LCHlch(34.83, 21.30, 198.37°)
OKLaboklab(43.06% -0.0633 -0.0186)
OKLCHoklch(43.06% 0.066 196.4)
XYZxyz(5.9812, 8.4136, 11.4319)
Luminance0.0841 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155B5C #5C1615
analogous
#155C3A #155B5C #15385C
triadic
#155B5C #5C155B #5B5C15
tetradic
#155B5C #3A155C #5C1615 #385C15
square
#155B5C #3A155C #5C1615 #385C15
split-complementary
#155B5C #5C1538 #5C3A15
monochromatic
#061919 #0A2A2A #155B5C #208C8E #2CBEC0

Accessibility & contrast

On white

7.83
#155B5C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#155B5C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B5C
7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155B5C#FFFFFF#000000##FFFFFF
##155B5C1.007.832.687.83
#FFFFFF7.831.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#54565C
Deuteranopia (green-blind)
#4A4F5C
Tritanopia (blue-blind)
#005E5B
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #155b5c;
/* rgb */ color: rgb(21, 91, 92);
/* oklch */ color: oklch(43.1% 0.066 196.4);
Tailwind
colors: {
  custom: {
    50: '#60898a',
    500: '#155b5c',
    950: '#000000',
  },
}
SCSS
$custom: #155b5c;
$custom-light: #60898a;
$custom-dark: #000000;
JSON
{
  "hex": "#155b5c",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 92
  },
  "hsl": {
    "h": 180.845,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.43059,
    "c": 0.06601,
    "h": 196.4
  },
  "luminance": 0.08414
}

Semantic roles & 50–950 ramp

primary
#155B5C
secondary
#933B39
accent
#4442E6
background
#F6F8F8
surface
#EBF0F0
border
#C6CBCB
text
#050B0B
muted
#7A7C7C

Preview Lab

Preview with #155B5C

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

Preview Lab → · Contrast checker → · Palette generator →

#155B5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva