#155B4A#155B4A

#155B4A is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.4% C 0.073 H 172.6°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#155B4A
RGBrgb(21, 91, 74)
HSLhsl(165, 63%, 22%)
HSVhsv(165, 77%, 36%)
CMYKcmyk(76.9%, 0%, 18.7%, 64.3%)
CIE-LABlab(34.26, -25.80, 3.71)
CIE-LCHlch(34.26, 26.07, 171.82°)
OKLaboklab(42.41% -0.0727 0.0094)
OKLCHoklch(42.41% 0.073 172.6)
XYZxyz(5.2857, 8.1354, 7.7690)
Luminance0.0814 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155B4A #5B1526
analogous
#155B27 #155B4A #15495B
triadic
#155B4A #4A155B #5B4A15
tetradic
#155B4A #27155B #5B1526 #495B15
square
#155B4A #27155B #5B1526 #495B15
split-complementary
#155B4A #5B1549 #5B2715
monochromatic
#061914 #0A2922 #155B4A #208D72 #2CBE9B

Accessibility & contrast

On white

7.99
#155B4A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#155B4A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B4A
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155B4A#FFFFFF#000000##FFFFFF
##155B4A1.007.992.637.99
#FFFFFF7.991.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#585549
Deuteranopia (green-blind)
#4E4E4B
Tritanopia (blue-blind)
#005C56
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #155b4a;
/* rgb */ color: rgb(21, 91, 74);
/* oklch */ color: oklch(42.4% 0.073 172.6);
Tailwind
colors: {
  custom: {
    50: '#5e8a7c',
    500: '#155b4a',
    950: '#000000',
  },
}
SCSS
$custom: #155b4a;
$custom-light: #5e8a7c;
$custom-dark: #000000;
JSON
{
  "hex": "#155b4a",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 74
  },
  "hsl": {
    "h": 165.429,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.4241,
    "c": 0.07328,
    "h": 172.6
  },
  "luminance": 0.08136
}

Semantic roles & 50–950 ramp

primary
#155B4A
secondary
#92394F
accent
#426AE6
background
#F5F8F7
surface
#EAF0EE
border
#C6CBC9
text
#050C09
muted
#797D7B

Preview Lab

Preview with #155B4A

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

Preview Lab → · Contrast checker → · Palette generator →

#155B4A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva