#155A5D#155A5D

#155A5D is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.8% C 0.065 H 199.3°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX#155A5D
RGBrgb(21, 90, 93)
HSLhsl(183, 63%, 22%)
HSVhsv(183, 77%, 36%)
CMYKcmyk(77.4%, 3.2%, 0%, 63.5%)
CIE-LABlab(34.52, -19.34, -7.80)
CIE-LCHlch(34.52, 20.86, 201.97°)
OKLaboklab(42.82% -0.0617 -0.0217)
OKLCHoklch(42.82% 0.065 199.3)
XYZxyz(5.9403, 8.2614, 11.6353)
Luminance0.0826 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155A5D #5D1815
analogous
#155D3C #155A5D #15365D
triadic
#155A5D #5D155A #5A5D15
tetradic
#155A5D #3C155D #5D1815 #365D15
square
#155A5D #3C155D #5D1815 #365D15
split-complementary
#155A5D #5D1536 #5D3C15
monochromatic
#061819 #0A2A2B #155A5D #208A8F #2CBBC1

Accessibility & contrast

On white

7.92
#155A5D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#155A5D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A5D
7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155A5D#FFFFFF#000000##FFFFFF
##155A5D1.007.922.657.92
#FFFFFF7.921.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#53565D
Deuteranopia (green-blind)
#494E5D
Tritanopia (blue-blind)
#005E5B
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #155a5d;
/* rgb */ color: rgb(21, 90, 93);
/* oklch */ color: oklch(42.8% 0.065 199.3);
Tailwind
colors: {
  custom: {
    50: '#60898a',
    500: '#155a5d',
    950: '#000000',
  },
}
SCSS
$custom: #155a5d;
$custom-light: #60898a;
$custom-dark: #000000;
JSON
{
  "hex": "#155a5d",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 93
  },
  "hsl": {
    "h": 182.5,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.42821,
    "c": 0.06539,
    "h": 199.3
  },
  "luminance": 0.08262
}

Semantic roles & 50–950 ramp

primary
#155A5D
secondary
#943D39
accent
#4842E6
background
#F6F8F8
surface
#EBF0F0
border
#C6CBCB
text
#050B0B
muted
#7A7C7C

Preview Lab

Preview with #155A5D

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

Preview Lab → · Contrast checker → · Palette generator →

#155A5D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva