#183B2F#183B2F

#183B2F is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.2% C 0.046 H 168.5°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#183B2F
RGB	rgb(24, 59, 47)
HSL	hsl(159, 42%, 16%)
HSV	hsv(159, 59%, 23%)
CMYK	cmyk(59.3%, 0%, 20.3%, 76.9%)
CIE-LAB	lab(22.04, -16.20, 3.61)
CIE-LCH	lch(22.04, 16.60, 167.44°)
OKLab	oklab(32.21% -0.0455 0.0093)
OKLCH	oklch(32.21% 0.046 168.5)
XYZ	xyz(2.4535, 3.5271, 3.2403)
Luminance	0.0353 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B2F #3B1824

analogous

#183B1E #183B2F #18363B

triadic

#183B2F #2F183B #3B2F18

tetradic

#183B2F #1E183B #3B1824 #363B18

square

#183B2F #1E183B #3B1824 #363B18

split-complementary

#183B2F #3B1836 #3B1E18

monochromatic

#091611 #091611 #183B2F #2A6752 #3B9274

Accessibility & contrast

On white

12.31

#183B2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#183B2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B2F

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B2F	#FFFFFF	#000000	##FFFFFF
##183B2F	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39372E

Deuteranopia (green-blind)

#343330

Tritanopia (blue-blind)

#0A3B38

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183b2f;
/* rgb */ color: rgb(24, 59, 47);
/* oklch */ color: oklch(32.2% 0.046 168.5);

Tailwind

colors: {
  custom: {
    50: '#587167',
    500: '#183b2f',
    950: '#000000',
  },
}

SCSS

$custom: #183b2f;
$custom-light: #587167;
$custom-dark: #000000;

JSON

{
  "hex": "#183b2f",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 47
  },
  "hsl": {
    "h": 159.429,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.32214,
    "c": 0.04642,
    "h": 168.5
  },
  "luminance": 0.03527
}

Semantic roles & 50–950 ramp

primary

#183B2F

secondary

#713E4F

accent

#5680D2

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030706

muted

#787A7A

Preview Lab

Preview with #183B2F

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

Preview Lab → · Contrast checker → · Palette generator →