#183E23#183E23

#183E23 is a dark, moderate green. Relative luminance 0.038; OKLCH L 32.8% C 0.065 H 150.8°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX#183E23
RGBrgb(24, 62, 35)
HSLhsl(137, 44%, 17%)
HSVhsv(137, 61%, 24%)
CMYKcmyk(61.3%, 0%, 43.5%, 75.7%)
CIE-LABlab(22.86, -20.78, 12.62)
CIE-LCHlch(22.86, 24.31, 148.72°)
OKLaboklab(32.79% -0.0564 0.0315)
OKLCHoklch(32.79% 0.065 150.8)
XYZxyz(2.4025, 3.7606, 2.1890)
Luminance0.0376 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183E23 #3E1833
analogous
#203E18 #183E23 #183E36
triadic
#183E23 #23183E #3E2318
tetradic
#183E23 #18203E #3E1833 #3E3618
square
#183E23 #18203E #3E1833 #3E3618
split-complementary
#183E23 #36183E #3E1820
monochromatic
#09160C #09160C #183E23 #296A3C #3A9655

Accessibility & contrast

On white

11.98
#183E23 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.75
#183E23 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E23
11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183E23#FFFFFF#000000##FFFFFF
##183E231.0011.981.7511.98
#FFFFFF11.981.0021.001.00
#0000001.7521.001.0021.00
##FFFFFF11.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E3921
Deuteranopia (green-blind)
#393525
Tritanopia (blue-blind)
#0F3D37
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #183e23;
/* rgb */ color: rgb(24, 62, 35);
/* oklch */ color: oklch(32.8% 0.065 150.8);
Tailwind
colors: {
  custom: {
    50: '#59735e',
    500: '#183e23',
    950: '#000000',
  },
}
SCSS
$custom: #183e23;
$custom-light: #59735e;
$custom-dark: #000000;
JSON
{
  "hex": "#183e23",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 35
  },
  "hsl": {
    "h": 137.368,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.32787,
    "c": 0.06455,
    "h": 150.8
  },
  "luminance": 0.03761
}

Semantic roles & 50–950 ramp

primary
#183E23
secondary
#743D64
accent
#54AFD4
background
#F5F7F5
surface
#E9EDE9
border
#C5C8C5
text
#030804
muted
#787B79

Preview Lab

Preview with #183E23

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

Preview Lab → · Contrast checker → · Palette generator →

#183E23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva