#18423A#18423A

#18423A is a dark, muted teal. Relative luminance 0.044; OKLCH L 34.7% C 0.049 H 178.8°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX#18423A
RGBrgb(24, 66, 58)
HSLhsl(169, 47%, 18%)
HSVhsv(169, 64%, 26%)
CMYKcmyk(63.6%, 0%, 12.1%, 74.1%)
CIE-LABlab(24.94, -16.91, 0.49)
CIE-LCHlch(24.94, 16.92, 178.35°)
OKLaboklab(34.68% -0.0489 0.001)
OKLCHoklch(34.68% 0.049 178.8)
XYZxyz(3.0883, 4.3958, 4.6879)
Luminance0.0440 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18423A #421820
analogous
#184225 #18423A #183542
triadic
#18423A #3A1842 #423A18
tetradic
#18423A #251842 #421820 #354218
square
#18423A #251842 #421820 #354218
split-complementary
#18423A #421835 #422518
monochromatic
#081614 #081614 #18423A #286F61 #399C89

Accessibility & contrast

On white

11.17
#18423A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#18423A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18423A
11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18423A#FFFFFF#000000##FFFFFF
##18423A1.0011.171.8811.17
#FFFFFF11.171.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F3E3A
Deuteranopia (green-blind)
#39393B
Tritanopia (blue-blind)
#004340
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #18423a;
/* rgb */ color: rgb(24, 66, 58);
/* oklch */ color: oklch(34.7% 0.049 178.8);
Tailwind
colors: {
  custom: {
    50: '#5a7670',
    500: '#18423a',
    950: '#000000',
  },
}
SCSS
$custom: #18423a;
$custom-light: #5a7670;
$custom-dark: #000000;
JSON
{
  "hex": "#18423a",
  "rgb": {
    "r": 24,
    "g": 66,
    "b": 58
  },
  "hsl": {
    "h": 168.571,
    "s": 46.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.34677,
    "c": 0.04891,
    "h": 178.8
  },
  "luminance": 0.04396
}

Semantic roles & 50–950 ramp

primary
#18423A
secondary
#793D49
accent
#516BD6
background
#F5F7F6
surface
#E9EDEC
border
#C5C8C7
text
#040807
muted
#797B7A

Preview Lab

Preview with #18423A

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

Preview Lab → · Contrast checker → · Palette generator →

#18423A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva