#183A2D#183A2D

#183A2D is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.8% C 0.047 H 166.2°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#183A2D
RGB	rgb(24, 58, 45)
HSL	hsl(157, 41%, 16%)
HSV	hsv(157, 59%, 23%)
CMYK	cmyk(58.6%, 0%, 22.4%, 77.3%)
CIE-LAB	lab(21.61, -16.20, 4.34)
CIE-LCH	lch(21.61, 16.77, 165.00°)
OKLab	oklab(31.85% -0.0452 0.0111)
OKLCH	oklch(31.85% 0.047 166.2)
XYZ	xyz(2.3632, 3.4096, 3.0157)
Luminance	0.0341 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183A2D #3A1825

analogous

#183A1C #183A2D #18363A

triadic

#183A2D #2D183A #3A2D18

tetradic

#183A2D #1C183A #3A1825 #363A18

square

#183A2D #1C183A #3A1825 #363A18

split-complementary

#183A2D #3A1836 #3A1C18

monochromatic

#091611 #091611 #183A2D #2A654F #3C9170

Accessibility & contrast

On white

12.49

#183A2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#183A2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A2D

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183A2D	#FFFFFF	#000000	##FFFFFF
##183A2D	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39362C

Deuteranopia (green-blind)

#34322E

Tritanopia (blue-blind)

#0C3A36

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183a2d;
/* rgb */ color: rgb(24, 58, 45);
/* oklch */ color: oklch(31.8% 0.047 166.2);

Tailwind

colors: {
  custom: {
    50: '#587065',
    500: '#183a2d',
    950: '#000000',
  },
}

SCSS

$custom: #183a2d;
$custom-light: #587065;
$custom-dark: #000000;

JSON

{
  "hex": "#183a2d",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 45
  },
  "hsl": {
    "h": 157.059,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31848,
    "c": 0.04656,
    "h": 166.2
  },
  "luminance": 0.0341
}

Semantic roles & 50–950 ramp

primary

#183A2D

secondary

#703E51

accent

#5785D1

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030705

muted

#787A7A

Preview Lab

Preview with #183A2D

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

Preview Lab → · Contrast checker → · Palette generator →