#155A53#155A53

#155A53 is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.4% C 0.067 H 185.0°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX#155A53
RGBrgb(21, 90, 83)
HSLhsl(174, 62%, 22%)
HSVhsv(174, 77%, 35%)
CMYKcmyk(76.7%, 0%, 7.8%, 64.7%)
CIE-LABlab(34.18, -22.60, -2.04)
CIE-LCHlch(34.18, 22.69, 185.16°)
OKLaboklab(42.43% -0.0668 -0.0059)
OKLCHoklch(42.43% 0.067 185)
XYZxyz(5.5260, 8.0956, 9.4533)
Luminance0.0810 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155A53 #5A151C
analogous
#155A31 #155A53 #153F5A
triadic
#155A53 #53155A #5A5315
tetradic
#155A53 #31155A #5A151C #3F5A15
square
#155A53 #31155A #5A151C #3F5A15
split-complementary
#155A53 #5A153F #5A3115
monochromatic
#061917 #092825 #155A53 #218C81 #2CBDAF

Accessibility & contrast

On white

8.02
#155A53 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#155A53 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A53
8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155A53#FFFFFF#000000##FFFFFF
##155A531.008.022.628.02
#FFFFFF8.021.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#555553
Deuteranopia (green-blind)
#4B4D54
Tritanopia (blue-blind)
#005C58
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #155a53;
/* rgb */ color: rgb(21, 90, 83);
/* oklch */ color: oklch(42.4% 0.067 185.0);
Tailwind
colors: {
  custom: {
    50: '#5f8983',
    500: '#155a53',
    950: '#000000',
  },
}
SCSS
$custom: #155a53;
$custom-light: #5f8983;
$custom-dark: #000000;
JSON
{
  "hex": "#155a53",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 83
  },
  "hsl": {
    "h": 173.913,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.42432,
    "c": 0.06702,
    "h": 185
  },
  "luminance": 0.08096
}

Semantic roles & 50–950 ramp

primary
#155A53
secondary
#923942
accent
#4353E5
background
#F5F8F8
surface
#EAF0EF
border
#C6CBCA
text
#050B0A
muted
#797C7C

Preview Lab

Preview with #155A53

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

Preview Lab → · Contrast checker → · Palette generator →

#155A53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva