#183E2C#183E2C

#183E2C is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.0% C 0.054 H 160.7°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#183E2C
RGB	rgb(24, 62, 44)
HSL	hsl(152, 44%, 17%)
HSV	hsv(152, 61%, 24%)
CMYK	cmyk(61.3%, 0%, 29%, 75.7%)
CIE-LAB	lab(23.07, -18.65, 7.06)
CIE-LCH	lch(23.07, 19.94, 159.28°)
OKLab	oklab(33.02% -0.0513 0.018)
OKLCH	oklch(33.02% 0.054 160.7)
XYZ	xyz(2.5537, 3.8211, 2.9853)
Luminance	0.0382 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E2C #3E182A

analogous

#183E19 #183E2C #183D3E

triadic

#183E2C #2C183E #3E2C18

tetradic

#183E2C #19183E #3E182A #3D3E18

square

#183E2C #19183E #3E182A #3D3E18

split-complementary

#183E2C #3E183D #3E1918

monochromatic

#091610 #091610 #183E2C #296A4B #3A966B

Accessibility & contrast

On white

11.90

#183E2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#183E2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E2C

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E2C	#FFFFFF	#000000	##FFFFFF
##183E2C	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D392B

Deuteranopia (green-blind)

#38352D

Tritanopia (blue-blind)

#0B3E39

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183e2c;
/* rgb */ color: rgb(24, 62, 44);
/* oklch */ color: oklch(33.0% 0.054 160.7);

Tailwind

colors: {
  custom: {
    50: '#597365',
    500: '#183e2c',
    950: '#000000',
  },
}

SCSS

$custom: #183e2c;
$custom-light: #597365;
$custom-dark: #000000;

JSON

{
  "hex": "#183e2c",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 44
  },
  "hsl": {
    "h": 151.579,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33024,
    "c": 0.0544,
    "h": 160.7
  },
  "luminance": 0.03821
}

Semantic roles & 50–950 ramp

primary

#183E2C

secondary

#743D57

accent

#5491D4

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030805

muted

#787B7A

Preview Lab

Preview with #183E2C

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

Preview Lab → · Contrast checker → · Palette generator →