#183A2E#183A2E

#183A2E is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.9% C 0.046 H 168.0°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX#183A2E
RGBrgb(24, 58, 46)
HSLhsl(159, 41%, 16%)
HSVhsv(159, 59%, 23%)
CMYKcmyk(58.6%, 0%, 20.7%, 77.3%)
CIE-LABlab(21.64, -15.92, 3.71)
CIE-LCHlch(21.64, 16.35, 166.88°)
OKLaboklab(31.88% -0.0446 0.0095)
OKLCHoklch(31.88% 0.046 168)
XYZxyz(2.3827, 3.4174, 3.1183)
Luminance0.0342 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183A2E #3A1824
analogous
#183A1D #183A2E #18353A
triadic
#183A2E #2E183A #3A2E18
tetradic
#183A2E #1D183A #3A1824 #353A18
square
#183A2E #1D183A #3A1824 #353A18
split-complementary
#183A2E #3A1835 #3A1D18
monochromatic
#091611 #091611 #183A2E #2A6550 #3C9173

Accessibility & contrast

On white

12.47
#183A2E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#183A2E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A2E
12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183A2E#FFFFFF#000000##FFFFFF
##183A2E1.0012.471.6812.47
#FFFFFF12.471.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#39362D
Deuteranopia (green-blind)
#33322F
Tritanopia (blue-blind)
#0B3A37
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #183a2e;
/* rgb */ color: rgb(24, 58, 46);
/* oklch */ color: oklch(31.9% 0.046 168.0);
Tailwind
colors: {
  custom: {
    50: '#587066',
    500: '#183a2e',
    950: '#000000',
  },
}
SCSS
$custom: #183a2e;
$custom-light: #587066;
$custom-dark: #000000;
JSON
{
  "hex": "#183a2e",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 46
  },
  "hsl": {
    "h": 158.824,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31881,
    "c": 0.04565,
    "h": 168
  },
  "luminance": 0.03418
}

Semantic roles & 50–950 ramp

primary
#183A2E
secondary
#703E4F
accent
#5782D1
background
#F5F6F6
surface
#E9ECEB
border
#C5C7C6
text
#030706
muted
#787A7A

Preview Lab

Preview with #183A2E

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

Preview Lab → · Contrast checker → · Palette generator →

#183A2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva