#183D2F#183D2F

#183D2F is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.8% C 0.050 H 166.1°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#183D2F
RGB	rgb(24, 61, 47)
HSL	hsl(157, 44%, 17%)
HSV	hsv(157, 61%, 24%)
CMYK	cmyk(60.7%, 0%, 23%, 76.1%)
CIE-LAB	lab(22.78, -17.32, 4.66)
CIE-LCH	lch(22.78, 17.93, 164.92°)
OKLab	oklab(32.82% -0.0483 0.012)
OKLCH	oklch(32.82% 0.05 166.1)
XYZ	xyz(2.5583, 3.7367, 3.2752)
Luminance	0.0374 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183D2F #3D1826

analogous

#183D1D #183D2F #18393D

triadic

#183D2F #2F183D #3D2F18

tetradic

#183D2F #1D183D #3D1826 #393D18

square

#183D2F #1D183D #3D1826 #393D18

split-complementary

#183D2F #3D1839 #3D1D18

monochromatic

#091611 #091611 #183D2F #296951 #3B9573

Accessibility & contrast

On white

12.02

#183D2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#183D2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183D2F

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183D2F	#FFFFFF	#000000	##FFFFFF
##183D2F	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C392E

Deuteranopia (green-blind)

#363530

Tritanopia (blue-blind)

#093D39

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183d2f;
/* rgb */ color: rgb(24, 61, 47);
/* oklch */ color: oklch(32.8% 0.050 166.1);

Tailwind

colors: {
  custom: {
    50: '#587367',
    500: '#183d2f',
    950: '#000000',
  },
}

SCSS

$custom: #183d2f;
$custom-light: #587367;
$custom-dark: #000000;

JSON

{
  "hex": "#183d2f",
  "rgb": {
    "r": 24,
    "g": 61,
    "b": 47
  },
  "hsl": {
    "h": 157.297,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.32815,
    "c": 0.04972,
    "h": 166.1
  },
  "luminance": 0.03737
}

Semantic roles & 50–950 ramp

primary

#183D2F

secondary

#733D52

accent

#5584D3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030806

muted

#787B7A

Preview Lab

Preview with #183D2F

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

Preview Lab → · Contrast checker → · Palette generator →