#183B36#183B36

#183B36 is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.5% C 0.042 H 183.2°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#183B36
RGB	rgb(24, 59, 54)
HSL	hsl(171, 42%, 16%)
HSV	hsv(171, 59%, 23%)
CMYK	cmyk(59.3%, 0%, 8.5%, 76.9%)
CIE-LAB	lab(22.26, -14.14, -0.77)
CIE-LCH	lch(22.26, 14.16, 183.10°)
OKLab	oklab(32.46% -0.0416 -0.0023)
OKLCH	oklch(32.46% 0.042 183.2)
XYZ	xyz(2.6062, 3.5882, 4.0446)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B36 #3B181D

analogous

#183B25 #183B36 #182F3B

triadic

#183B36 #36183B #3B3618

tetradic

#183B36 #25183B #3B181D #2F3B18

square

#183B36 #25183B #3B181D #2F3B18

split-complementary

#183B36 #3B182F #3B2518

monochromatic

#091614 #091614 #183B36 #2A675E #3B9286

Accessibility & contrast

On white

12.23

#183B36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#183B36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B36

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B36	#FFFFFF	#000000	##FFFFFF
##183B36	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383836

Deuteranopia (green-blind)

#333436

Tritanopia (blue-blind)

#053C39

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183b36;
/* rgb */ color: rgb(24, 59, 54);
/* oklch */ color: oklch(32.5% 0.042 183.2);

Tailwind

colors: {
  custom: {
    50: '#58716c',
    500: '#183b36',
    950: '#000000',
  },
}

SCSS

$custom: #183b36;
$custom-light: #58716c;
$custom-dark: #000000;

JSON

{
  "hex": "#183b36",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 54
  },
  "hsl": {
    "h": 171.429,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.32464,
    "c": 0.04166,
    "h": 183.2
  },
  "luminance": 0.03588
}

Semantic roles & 50–950 ramp

primary

#183B36

secondary

#713E45

accent

#5668D2

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #183B36

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

Preview Lab → · Contrast checker → · Palette generator →