#155B3A#155B3A

#155B3A is a dark, moderate teal. Relative luminance 0.079; OKLCH L 42.0% C 0.088 H 158.0°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX#155B3A
RGBrgb(21, 91, 58)
HSLhsl(152, 63%, 22%)
HSVhsv(152, 77%, 36%)
CMYKcmyk(76.9%, 0%, 36.3%, 64.3%)
CIE-LABlab(33.87, -29.97, 13.04)
CIE-LCHlch(33.87, 32.69, 156.49°)
OKLaboklab(41.96% -0.0813 0.0329)
OKLCHoklch(41.96% 0.088 158)
XYZxyz(4.8136, 7.9465, 5.2823)
Luminance0.0795 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155B3A #5B1536
analogous
#155B17 #155B3A #15595B
triadic
#155B3A #3A155B #5B3A15
tetradic
#155B3A #17155B #5B1536 #595B15
square
#155B3A #17155B #5B1536 #595B15
split-complementary
#155B3A #5B1559 #5B1715
monochromatic
#061910 #0A291A #155B3A #208D5A #2CBE79

Accessibility & contrast

On white

8.11
#155B3A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#155B3A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B3A
8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155B3A#FFFFFF#000000##FFFFFF
##155B3A1.008.112.598.11
#FFFFFF8.111.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A5338
Deuteranopia (green-blind)
#514D3C
Tritanopia (blue-blind)
#005A52
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #155b3a;
/* rgb */ color: rgb(21, 91, 58);
/* oklch */ color: oklch(42.0% 0.088 158.0);
Tailwind
colors: {
  custom: {
    50: '#5e8a70',
    500: '#155b3a',
    950: '#000000',
  },
}
SCSS
$custom: #155b3a;
$custom-light: #5e8a70;
$custom-dark: #000000;
JSON
{
  "hex": "#155b3a",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 58
  },
  "hsl": {
    "h": 151.714,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41959,
    "c": 0.08771,
    "h": 158
  },
  "luminance": 0.07947
}

Semantic roles & 50–950 ramp

primary
#155B3A
secondary
#923963
accent
#428FE6
background
#F5F8F6
surface
#EAF0EC
border
#C6CBC7
text
#050C07
muted
#797D7A

Preview Lab

Preview with #155B3A

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

Preview Lab → · Contrast checker → · Palette generator →

#155B3A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva