#183B2C#183B2C

#183B2C is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.1% C 0.049 H 163.4°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#183B2C
RGB	rgb(24, 59, 44)
HSL	hsl(154, 42%, 16%)
HSV	hsv(154, 59%, 23%)
CMYK	cmyk(59.3%, 0%, 25.4%, 76.9%)
CIE-LAB	lab(21.96, -17.02, 5.50)
CIE-LCH	lch(21.96, 17.89, 162.11°)
OKLab	oklab(32.12% -0.0472 0.0141)
OKLCH	oklch(32.12% 0.049 163.4)
XYZ	xyz(2.3951, 3.5038, 2.9325)
Luminance	0.0350 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B2C #3B1827

analogous

#183B1B #183B2C #18393B

triadic

#183B2C #2C183B #3B2C18

tetradic

#183B2C #1B183B #3B1827 #393B18

square

#183B2C #1B183B #3B1827 #393B18

split-complementary

#183B2C #3B1839 #3B1B18

monochromatic

#091610 #091610 #183B2C #2A674C #3B926D

Accessibility & contrast

On white

12.35

#183B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#183B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B2C

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B2C	#FFFFFF	#000000	##FFFFFF
##183B2C	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372B

Deuteranopia (green-blind)

#35332D

Tritanopia (blue-blind)

#0C3B37

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183b2c;
/* rgb */ color: rgb(24, 59, 44);
/* oklch */ color: oklch(32.1% 0.049 163.4);

Tailwind

colors: {
  custom: {
    50: '#587165',
    500: '#183b2c',
    950: '#000000',
  },
}

SCSS

$custom: #183b2c;
$custom-light: #587165;
$custom-dark: #000000;

JSON

{
  "hex": "#183b2c",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 44
  },
  "hsl": {
    "h": 154.286,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.32118,
    "c": 0.04924,
    "h": 163.4
  },
  "luminance": 0.03504
}

Semantic roles & 50–950 ramp

primary

#183B2C

secondary

#713E54

accent

#568BD2

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030705

muted

#787A7A

Preview Lab

Preview with #183B2C

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

Preview Lab → · Contrast checker → · Palette generator →