#183C2B#183C2B

#183C2B is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.4% C 0.052 H 160.9°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#183C2B
RGB	rgb(24, 60, 43)
HSL	hsl(152, 43%, 16%)
HSV	hsv(152, 60%, 24%)
CMYK	cmyk(60%, 0%, 28.3%, 76.5%)
CIE-LAB	lab(22.30, -17.83, 6.64)
CIE-LCH	lch(22.30, 19.03, 159.57°)
OKLab	oklab(32.39% -0.0491 0.017)
OKLCH	oklch(32.39% 0.052 160.9)
XYZ	xyz(2.4284, 3.6001, 2.8520)
Luminance	0.0360 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C2B #3C1829

analogous

#183C19 #183C2B #183B3C

triadic

#183C2B #2B183C #3C2B18

tetradic

#183C2B #19183C #3C1829 #3B3C18

square

#183C2B #19183C #3C1829 #3B3C18

split-complementary

#183C2B #3C183B #3C1918

monochromatic

#091610 #091610 #183C2B #29684A #3B936A

Accessibility & contrast

On white

12.21

#183C2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#183C2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C2B

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C2B	#FFFFFF	#000000	##FFFFFF
##183C2B	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B382A

Deuteranopia (green-blind)

#36342C

Tritanopia (blue-blind)

#0C3C37

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183c2b;
/* rgb */ color: rgb(24, 60, 43);
/* oklch */ color: oklch(32.4% 0.052 160.9);

Tailwind

colors: {
  custom: {
    50: '#587264',
    500: '#183c2b',
    950: '#000000',
  },
}

SCSS

$custom: #183c2b;
$custom-light: #587264;
$custom-dark: #000000;

JSON

{
  "hex": "#183c2b",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 43
  },
  "hsl": {
    "h": 151.667,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.3239,
    "c": 0.05199,
    "h": 160.9
  },
  "luminance": 0.036
}

Semantic roles & 50–950 ramp

primary

#183C2B

secondary

#723E56

accent

#5590D3

background

#F5F6F5

surface

#E9ECEA

border

#C5C7C6

text

#030805

muted

#787B79

Preview Lab

Preview with #183C2B

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

Preview Lab → · Contrast checker → · Palette generator →