#18544B#18544B

#18544B is a dark, moderate teal. Relative luminance 0.070; OKLCH L 40.5% C 0.062 H 181.1°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX#18544B
RGBrgb(24, 84, 75)
HSLhsl(171, 56%, 21%)
HSVhsv(171, 71%, 33%)
CMYKcmyk(71.4%, 0%, 10.7%, 67.1%)
CIE-LABlab(31.90, -21.45, -0.33)
CIE-LCHlch(31.90, 21.46, 180.89°)
OKLaboklab(40.52% -0.0624 -0.0012)
OKLCHoklch(40.52% 0.062 181.1)
XYZxyz(4.8164, 7.0423, 7.7607)
Luminance0.0704 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18544B #541821
analogous
#18542D #18544B #183F54
triadic
#18544B #4B1854 #544B18
tetradic
#18544B #2D1854 #541821 #3F5418
square
#18544B #2D1854 #541821 #3F5418
split-complementary
#18544B #54183F #542D18
monochromatic
#071815 #0A2420 #18544B #268475 #33B3A0

Accessibility & contrast

On white

8.72
#18544B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.41
#18544B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18544B
8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18544B#FFFFFF#000000##FFFFFF
##18544B1.008.722.418.72
#FFFFFF8.721.0021.001.00
#0000002.4121.001.0021.00
##FFFFFF8.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#504F4B
Deuteranopia (green-blind)
#47484C
Tritanopia (blue-blind)
#005651
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #18544b;
/* rgb */ color: rgb(24, 84, 75);
/* oklch */ color: oklch(40.5% 0.062 181.1);
Tailwind
colors: {
  custom: {
    50: '#5e847d',
    500: '#18544b',
    950: '#000000',
  },
}
SCSS
$custom: #18544b;
$custom-light: #5e847d;
$custom-dark: #000000;
JSON
{
  "hex": "#18544b",
  "rgb": {
    "r": 24,
    "g": 84,
    "b": 75
  },
  "hsl": {
    "h": 171,
    "s": 55.556,
    "l": 21.176
  },
  "oklch": {
    "l": 0.40515,
    "c": 0.06242,
    "h": 181.1
  },
  "luminance": 0.07043
}

Semantic roles & 50–950 ramp

primary
#18544B
secondary
#8B3D49
accent
#495FDF
background
#F5F8F7
surface
#EAEFEE
border
#C6CAC9
text
#050B09
muted
#797C7B

Preview Lab

Preview with #18544B

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

Preview Lab → · Contrast checker → · Palette generator →

#18544B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva