#183D38#183D38

#183D38 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.1% C 0.043 H 183.6°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#183D38
RGB	rgb(24, 61, 56)
HSL	hsl(172, 44%, 17%)
HSV	hsv(172, 61%, 24%)
CMYK	cmyk(60.7%, 0%, 8.2%, 76.1%)
CIE-LAB	lab(23.06, -14.68, -0.94)
CIE-LCH	lch(23.06, 14.71, 183.65°)
OKLab	oklab(33.13% -0.0433 -0.0028)
OKLCH	oklch(33.13% 0.043 183.6)
XYZ	xyz(2.7589, 3.8169, 4.3320)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183D38 #3D181D

analogous

#183D26 #183D38 #18303D

triadic

#183D38 #38183D #3D3818

tetradic

#183D38 #26183D #3D181D #303D18

square

#183D38 #26183D #3D181D #303D18

split-complementary

#183D38 #3D1830 #3D2618

monochromatic

#091614 #091614 #183D38 #296960 #3B9589

Accessibility & contrast

On white

11.91

#183D38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#183D38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183D38

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183D38	#FFFFFF	#000000	##FFFFFF
##183D38	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3A38

Deuteranopia (green-blind)

#343538

Tritanopia (blue-blind)

#033E3B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183d38;
/* rgb */ color: rgb(24, 61, 56);
/* oklch */ color: oklch(33.1% 0.043 183.6);

Tailwind

colors: {
  custom: {
    50: '#59726e',
    500: '#183d38',
    950: '#000000',
  },
}

SCSS

$custom: #183d38;
$custom-light: #59726e;
$custom-dark: #000000;

JSON

{
  "hex": "#183d38",
  "rgb": {
    "r": 24,
    "g": 61,
    "b": 56
  },
  "hsl": {
    "h": 171.892,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.3313,
    "c": 0.04336,
    "h": 183.6
  },
  "luminance": 0.03817
}

Semantic roles & 50–950 ramp

primary

#183D38

secondary

#733D45

accent

#5566D3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#040807

muted

#797B7A

Preview Lab

Preview with #183D38

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

Preview Lab → · Contrast checker → · Palette generator →