#183D2D#183D2D

#183D2D is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.8% C 0.052 H 163.0°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#183D2D
RGB	rgb(24, 61, 45)
HSL	hsl(154, 44%, 17%)
HSV	hsv(154, 61%, 24%)
CMYK	cmyk(60.7%, 0%, 26.2%, 76.1%)
CIE-LAB	lab(22.73, -17.85, 5.91)
CIE-LCH	lch(22.73, 18.81, 161.68°)
OKLab	oklab(32.75% -0.0494 0.0151)
OKLCH	oklch(32.75% 0.052 163)
XYZ	xyz(2.5189, 3.7209, 3.0676)
Luminance	0.0372 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183D2D #3D1828

analogous

#183D1B #183D2D #183B3D

triadic

#183D2D #2D183D #3D2D18

tetradic

#183D2D #1B183D #3D1828 #3B3D18

square

#183D2D #1B183D #3D1828 #3B3D18

split-complementary

#183D2D #3D183B #3D1B18

monochromatic

#091610 #091610 #183D2D #29694D #3B956E

Accessibility & contrast

On white

12.04

#183D2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#183D2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183D2D

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183D2D	#FFFFFF	#000000	##FFFFFF
##183D2D	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C392C

Deuteranopia (green-blind)

#36352E

Tritanopia (blue-blind)

#0B3D39

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183d2d;
/* rgb */ color: rgb(24, 61, 45);
/* oklch */ color: oklch(32.8% 0.052 163.0);

Tailwind

colors: {
  custom: {
    50: '#587365',
    500: '#183d2d',
    950: '#000000',
  },
}

SCSS

$custom: #183d2d;
$custom-light: #587365;
$custom-dark: #000000;

JSON

{
  "hex": "#183d2d",
  "rgb": {
    "r": 24,
    "g": 61,
    "b": 45
  },
  "hsl": {
    "h": 154.054,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.32752,
    "c": 0.05166,
    "h": 163
  },
  "luminance": 0.03721
}

Semantic roles & 50–950 ramp

primary

#183D2D

secondary

#733D55

accent

#558BD3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030805

muted

#787B7A

Preview Lab

Preview with #183D2D

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

Preview Lab → · Contrast checker → · Palette generator →