#183C38#183C38

#183C38 is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.8% C 0.042 H 185.7°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#183C38
RGB	rgb(24, 60, 56)
HSL	hsl(173, 43%, 16%)
HSV	hsv(173, 60%, 24%)
CMYK	cmyk(60%, 0%, 6.7%, 76.5%)
CIE-LAB	lab(22.69, -14.10, -1.47)
CIE-LCH	lch(22.69, 14.18, 185.96°)
OKLab	oklab(32.84% -0.0419 -0.0042)
OKLCH	oklch(32.84% 0.042 185.7)
XYZ	xyz(2.7061, 3.7112, 4.3143)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C38 #3C181C

analogous

#183C26 #183C38 #182E3C

triadic

#183C38 #38183C #3C3818

tetradic

#183C38 #26183C #3C181C #2E3C18

square

#183C38 #26183C #3C181C #2E3C18

split-complementary

#183C38 #3C182E #3C2618

monochromatic

#091614 #091614 #183C38 #296861 #3B938A

Accessibility & contrast

On white

12.05

#183C38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#183C38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C38

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C38	#FFFFFF	#000000	##FFFFFF
##183C38	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393938

Deuteranopia (green-blind)

#333438

Tritanopia (blue-blind)

#033D3B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183c38;
/* rgb */ color: rgb(24, 60, 56);
/* oklch */ color: oklch(32.8% 0.042 185.7);

Tailwind

colors: {
  custom: {
    50: '#59726e',
    500: '#183c38',
    950: '#000000',
  },
}

SCSS

$custom: #183c38;
$custom-light: #59726e;
$custom-dark: #000000;

JSON

{
  "hex": "#183c38",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 56
  },
  "hsl": {
    "h": 173.333,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32835,
    "c": 0.04211,
    "h": 185.7
  },
  "luminance": 0.03711
}

Semantic roles & 50–950 ramp

primary

#183C38

secondary

#723E43

accent

#5563D3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#040807

muted

#797B7A

Preview Lab

Preview with #183C38

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

Preview Lab → · Contrast checker → · Palette generator →