#183A2F#183A2F

#183A2F is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.9% C 0.045 H 169.9°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#183A2F
RGB	rgb(24, 58, 47)
HSL	hsl(161, 41%, 16%)
HSV	hsv(161, 59%, 23%)
CMYK	cmyk(58.6%, 0%, 19%, 77.3%)
CIE-LAB	lab(21.67, -15.64, 3.08)
CIE-LCH	lch(21.67, 15.94, 168.85°)
OKLab	oklab(31.91% -0.0441 0.0079)
OKLCH	oklch(31.91% 0.045 169.9)
XYZ	xyz(2.4026, 3.4253, 3.2233)
Luminance	0.0343 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183A2F #3A1823

analogous

#183A1E #183A2F #18343A

triadic

#183A2F #2F183A #3A2F18

tetradic

#183A2F #1E183A #3A1823 #343A18

square

#183A2F #1E183A #3A1823 #343A18

split-complementary

#183A2F #3A1834 #3A1E18

monochromatic

#091612 #091612 #183A2F #2A6552 #3C9175

Accessibility & contrast

On white

12.46

#183A2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#183A2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A2F

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183A2F	#FFFFFF	#000000	##FFFFFF
##183A2F	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38362E

Deuteranopia (green-blind)

#333230

Tritanopia (blue-blind)

#0A3A37

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183a2f;
/* rgb */ color: rgb(24, 58, 47);
/* oklch */ color: oklch(31.9% 0.045 169.9);

Tailwind

colors: {
  custom: {
    50: '#587067',
    500: '#183a2f',
    950: '#000000',
  },
}

SCSS

$custom: #183a2f;
$custom-light: #587067;
$custom-dark: #000000;

JSON

{
  "hex": "#183a2f",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 47
  },
  "hsl": {
    "h": 160.588,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31914,
    "c": 0.04479,
    "h": 169.9
  },
  "luminance": 0.03426
}

Semantic roles & 50–950 ramp

primary

#183A2F

secondary

#703E4E

accent

#577ED1

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030706

muted

#787A7A

Preview Lab

Preview with #183A2F

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

Preview Lab → · Contrast checker → · Palette generator →