#183C31#183C31

#183C31 is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.6% C 0.046 H 170.9°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#183C31
RGB	rgb(24, 60, 49)
HSL	hsl(162, 43%, 16%)
HSV	hsv(162, 60%, 24%)
CMYK	cmyk(60%, 0%, 18.3%, 76.5%)
CIE-LAB	lab(22.47, -16.20, 2.89)
CIE-LCH	lch(22.47, 16.46, 169.89°)
OKLab	oklab(32.58% -0.0458 0.0074)
OKLCH	oklch(32.58% 0.046 170.9)
XYZ	xyz(2.5467, 3.6474, 3.4750)
Luminance	0.0365 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C31 #3C1823

analogous

#183C1F #183C31 #18353C

triadic

#183C31 #31183C #3C3118

tetradic

#183C31 #1F183C #3C1823 #353C18

square

#183C31 #1F183C #3C1823 #353C18

split-complementary

#183C31 #3C1835 #3C1F18

monochromatic

#091612 #091612 #183C31 #296855 #3B9378

Accessibility & contrast

On white

12.14

#183C31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#183C31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C31

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C31	#FFFFFF	#000000	##FFFFFF
##183C31	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3830

Deuteranopia (green-blind)

#353432

Tritanopia (blue-blind)

#083C39

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183c31;
/* rgb */ color: rgb(24, 60, 49);
/* oklch */ color: oklch(32.6% 0.046 170.9);

Tailwind

colors: {
  custom: {
    50: '#587269',
    500: '#183c31',
    950: '#000000',
  },
}

SCSS

$custom: #183c31;
$custom-light: #587269;
$custom-dark: #000000;

JSON

{
  "hex": "#183c31",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 49
  },
  "hsl": {
    "h": 161.667,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32581,
    "c": 0.04635,
    "h": 170.9
  },
  "luminance": 0.03648
}

Semantic roles & 50–950 ramp

primary

#183C31

secondary

#723E4E

accent

#557CD3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030806

muted

#787B7A

Preview Lab

Preview with #183C31

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

Preview Lab → · Contrast checker → · Palette generator →