#183628#183628

#183628 is a dark, muted teal. Relative luminance 0.030; OKLCH L 30.5% C 0.045 H 161.9°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX#183628
RGBrgb(24, 54, 40)
HSLhsl(152, 38%, 15%)
HSVhsv(152, 56%, 21%)
CMYKcmyk(55.6%, 0%, 25.9%, 78.8%)
CIE-LABlab(19.99, -15.29, 5.40)
CIE-LCHlch(19.99, 16.21, 160.55°)
OKLaboklab(30.48% -0.0423 0.0138)
OKLCHoklch(30.48% 0.045 161.9)
XYZxyz(2.0787, 2.9856, 2.4738)
Luminance0.0299 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183628 #361826
analogous
#183619 #183628 #183536
triadic
#183628 #281836 #362818
tetradic
#183628 #191836 #361826 #353618
square
#183628 #191836 #361826 #353618
split-complementary
#183628 #361835 #361918
monochromatic
#091510 #091510 #183628 #2B6047 #3E8B67

Accessibility & contrast

On white

13.15
#183628 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.60
#183628 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183628
13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183628#FFFFFF#000000##FFFFFF
##1836281.0013.151.6013.15
#FFFFFF13.151.0021.001.00
#0000001.6021.001.0021.00
##FFFFFF13.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#353227
Deuteranopia (green-blind)
#312F29
Tritanopia (blue-blind)
#0F3632
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #183628;
/* rgb */ color: rgb(24, 54, 40);
/* oklch */ color: oklch(30.5% 0.045 161.9);
Tailwind
colors: {
  custom: {
    50: '#576d61',
    500: '#183628',
    950: '#000000',
  },
}
SCSS
$custom: #183628;
$custom-light: #576d61;
$custom-dark: #000000;
JSON
{
  "hex": "#183628",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 40
  },
  "hsl": {
    "h": 152,
    "s": 38.462,
    "l": 15.294
  },
  "oklch": {
    "l": 0.30479,
    "c": 0.04454,
    "h": 161.9
  },
  "luminance": 0.02986
}

Semantic roles & 50–950 ramp

primary
#183628
secondary
#6C3E53
accent
#5990CE
background
#F5F6F5
surface
#E9EBE9
border
#C5C6C5
text
#030705
muted
#787A79

Preview Lab

Preview with #183628

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

Preview Lab → · Contrast checker → · Palette generator →

#183628 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva