#183C2D#183C2D

#183C2D is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.5% C 0.050 H 163.9°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#183C2D
RGB	rgb(24, 60, 45)
HSL	hsl(155, 43%, 16%)
HSV	hsv(155, 60%, 24%)
CMYK	cmyk(60%, 0%, 25%, 76.5%)
CIE-LAB	lab(22.36, -17.31, 5.39)
CIE-LCH	lch(22.36, 18.13, 162.70°)
OKLab	oklab(32.45% -0.048 0.0138)
OKLCH	oklch(32.45% 0.05 163.9)
XYZ	xyz(2.4660, 3.6152, 3.0500)
Luminance	0.0362 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C2D #3C1827

analogous

#183C1B #183C2D #18393C

triadic

#183C2D #2D183C #3C2D18

tetradic

#183C2D #1B183C #3C1827 #393C18

square

#183C2D #1B183C #3C1827 #393C18

split-complementary

#183C2D #3C1839 #3C1B18

monochromatic

#091610 #091610 #183C2D #29684E #3B936F

Accessibility & contrast

On white

12.19

#183C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#183C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C2D

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C2D	#FFFFFF	#000000	##FFFFFF
##183C2D	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B382C

Deuteranopia (green-blind)

#36342E

Tritanopia (blue-blind)

#0B3C38

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183c2d;
/* rgb */ color: rgb(24, 60, 45);
/* oklch */ color: oklch(32.5% 0.050 163.9);

Tailwind

colors: {
  custom: {
    50: '#587265',
    500: '#183c2d',
    950: '#000000',
  },
}

SCSS

$custom: #183c2d;
$custom-light: #587265;
$custom-dark: #000000;

JSON

{
  "hex": "#183c2d",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 45
  },
  "hsl": {
    "h": 155,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32451,
    "c": 0.04996,
    "h": 163.9
  },
  "luminance": 0.03615
}

Semantic roles & 50–950 ramp

primary

#183C2D

secondary

#723E54

accent

#5589D3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030805

muted

#787B7A

Preview Lab

Preview with #183C2D

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

Preview Lab → · Contrast checker → · Palette generator →