#183C35#183C35

#183C35 is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.7% C 0.044 H 178.9°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#183C35
RGB	rgb(24, 60, 53)
HSL	hsl(168, 43%, 16%)
HSV	hsv(168, 60%, 24%)
CMYK	cmyk(60%, 0%, 11.7%, 76.5%)
CIE-LAB	lab(22.59, -15.03, 0.39)
CIE-LCH	lch(22.59, 15.03, 178.51°)
OKLab	oklab(32.72% -0.0435 0.0008)
OKLCH	oklch(32.72% 0.044 178.9)
XYZ	xyz(2.6349, 3.6827, 3.9395)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C35 #3C181F

analogous

#183C23 #183C35 #18313C

triadic

#183C35 #35183C #3C3518

tetradic

#183C35 #23183C #3C181F #313C18

square

#183C35 #23183C #3C181F #313C18

split-complementary

#183C35 #3C1831 #3C2318

monochromatic

#091613 #091613 #183C35 #29685C #3B9382

Accessibility & contrast

On white

12.09

#183C35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#183C35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C35

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C35	#FFFFFF	#000000	##FFFFFF
##183C35	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3835

Deuteranopia (green-blind)

#343436

Tritanopia (blue-blind)

#053D3A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183c35;
/* rgb */ color: rgb(24, 60, 53);
/* oklch */ color: oklch(32.7% 0.044 178.9);

Tailwind

colors: {
  custom: {
    50: '#59726c',
    500: '#183c35',
    950: '#000000',
  },
}

SCSS

$custom: #183c35;
$custom-light: #59726c;
$custom-dark: #000000;

JSON

{
  "hex": "#183c35",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 53
  },
  "hsl": {
    "h": 168.333,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32722,
    "c": 0.04354,
    "h": 178.9
  },
  "luminance": 0.03683
}

Semantic roles & 50–950 ramp

primary

#183C35

secondary

#723E48

accent

#556ED3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030806

muted

#787B7A

Preview Lab

Preview with #183C35

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

Preview Lab → · Contrast checker → · Palette generator →