#18523B#18523B

#18523B is a dark, moderate teal. Relative luminance 0.065; OKLCH L 39.4% C 0.072 H 163.2°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX#18523B
RGBrgb(24, 82, 59)
HSLhsl(156, 55%, 21%)
HSVhsv(156, 71%, 32%)
CMYKcmyk(70.7%, 0%, 28%, 67.8%)
CIE-LABlab(30.75, -24.96, 8.13)
CIE-LCHlch(30.75, 26.25, 161.96°)
OKLaboklab(39.42% -0.0686 0.0208)
OKLCHoklch(39.42% 0.072 163.2)
XYZxyz(4.1830, 6.5441, 5.1795)
Luminance0.0654 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18523B #52182F
analogous
#18521E #18523B #184C52
triadic
#18523B #3B1852 #523B18
tetradic
#18523B #1E1852 #52182F #4C5218
square
#18523B #1E1852 #52182F #4C5218
split-complementary
#18523B #52184C #521E18
monochromatic
#071811 #0A2319 #18523B #26815D #34B17F

Accessibility & contrast

On white

9.09
#18523B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.31
#18523B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18523B
9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18523B#FFFFFF#000000##FFFFFF
##18523B1.009.092.319.09
#FFFFFF9.091.0021.001.00
#0000002.3121.001.0021.00
##FFFFFF9.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#504C3A
Deuteranopia (green-blind)
#49463C
Tritanopia (blue-blind)
#00524C
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #18523b;
/* rgb */ color: rgb(24, 82, 59);
/* oklch */ color: oklch(39.4% 0.072 163.2);
Tailwind
colors: {
  custom: {
    50: '#5d8371',
    500: '#18523b',
    950: '#000000',
  },
}
SCSS
$custom: #18523b;
$custom-light: #5d8371;
$custom-dark: #000000;
JSON
{
  "hex": "#18523b",
  "rgb": {
    "r": 24,
    "g": 82,
    "b": 59
  },
  "hsl": {
    "h": 156.207,
    "s": 54.717,
    "l": 20.784
  },
  "oklch": {
    "l": 0.39422,
    "c": 0.07171,
    "h": 163.2
  },
  "luminance": 0.06545
}

Semantic roles & 50–950 ramp

primary
#18523B
secondary
#893D5B
accent
#4A85DE
background
#F5F8F6
surface
#E9EFEC
border
#C5CAC7
text
#050A07
muted
#797C7A

Preview Lab

Preview with #18523B

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

Preview Lab → · Contrast checker → · Palette generator →

#18523B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva