#183D31#183D31

#183D31 is a dark, muted teal. Relative luminance 0.038; OKLCH L 32.9% C 0.048 H 169.5°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#183D31
RGB	rgb(24, 61, 49)
HSL	hsl(161, 44%, 17%)
HSV	hsv(161, 61%, 24%)
CMYK	cmyk(60.7%, 0%, 19.7%, 76.1%)
CIE-LAB	lab(22.84, -16.76, 3.42)
CIE-LCH	lch(22.84, 17.10, 168.48°)
OKLab	oklab(32.88% -0.0471 0.0087)
OKLCH	oklch(32.88% 0.048 169.5)
XYZ	xyz(2.5996, 3.7532, 3.4926)
Luminance	0.0375 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183D31 #3D1824

analogous

#183D1F #183D31 #18373D

triadic

#183D31 #31183D #3D3118

tetradic

#183D31 #1F183D #3D1824 #373D18

square

#183D31 #1F183D #3D1824 #373D18

split-complementary

#183D31 #3D1837 #3D1F18

monochromatic

#091612 #091612 #183D31 #296954 #3B9578

Accessibility & contrast

On white

12.00

#183D31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#183D31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183D31

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183D31	#FFFFFF	#000000	##FFFFFF
##183D31	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3930

Deuteranopia (green-blind)

#363532

Tritanopia (blue-blind)

#083D3A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183d31;
/* rgb */ color: rgb(24, 61, 49);
/* oklch */ color: oklch(32.9% 0.048 169.5);

Tailwind

colors: {
  custom: {
    50: '#597369',
    500: '#183d31',
    950: '#000000',
  },
}

SCSS

$custom: #183d31;
$custom-light: #597369;
$custom-dark: #000000;

JSON

{
  "hex": "#183d31",
  "rgb": {
    "r": 24,
    "g": 61,
    "b": 49
  },
  "hsl": {
    "h": 160.541,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.3288,
    "c": 0.04794,
    "h": 169.5
  },
  "luminance": 0.03753
}

Semantic roles & 50–950 ramp

primary

#183D31

secondary

#733D4F

accent

#557ED3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030806

muted

#787B7A

Preview Lab

Preview with #183D31

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

Preview Lab → · Contrast checker → · Palette generator →