#183C2A#183C2A

#183C2A is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.4% C 0.053 H 159.5°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#183C2A
RGB	rgb(24, 60, 42)
HSL	hsl(150, 43%, 16%)
HSV	hsv(150, 60%, 24%)
CMYK	cmyk(60%, 0%, 30%, 76.5%)
CIE-LAB	lab(22.28, -18.09, 7.27)
CIE-LCH	lch(22.28, 19.50, 158.11°)
OKLab	oklab(32.36% -0.0497 0.0186)
OKLCH	oklch(32.36% 0.053 159.5)
XYZ	xyz(2.4103, 3.5929, 2.7565)
Luminance	0.0359 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C2A #3C182A

analogous

#183C18 #183C2A #183C3C

triadic

#183C2A #2A183C #3C2A18

tetradic

#183C2A #18183C #3C182A #3C3C18

square

#183C2A #18183C #3C182A #3C3C18

split-complementary

#183C2A #3C183C #3C1818

monochromatic

#09160F #09160F #183C2A #296849 #3B9367

Accessibility & contrast

On white

12.22

#183C2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#183C2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C2A

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C2A	#FFFFFF	#000000	##FFFFFF
##183C2A	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3829

Deuteranopia (green-blind)

#36342B

Tritanopia (blue-blind)

#0D3C37

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183c2a;
/* rgb */ color: rgb(24, 60, 42);
/* oklch */ color: oklch(32.4% 0.053 159.5);

Tailwind

colors: {
  custom: {
    50: '#587263',
    500: '#183c2a',
    950: '#000000',
  },
}

SCSS

$custom: #183c2a;
$custom-light: #587263;
$custom-dark: #000000;

JSON

{
  "hex": "#183c2a",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 42
  },
  "hsl": {
    "h": 150,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.3236,
    "c": 0.05306,
    "h": 159.5
  },
  "luminance": 0.03593
}

Semantic roles & 50–950 ramp

primary

#183C2A

secondary

#723E58

accent

#5594D3

background

#F5F6F5

surface

#E9ECEA

border

#C5C7C6

text

#030805

muted

#787B79

Preview Lab

Preview with #183C2A

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

Preview Lab → · Contrast checker → · Palette generator →