#183B2D#183B2D

#183B2D is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.1% C 0.048 H 165.0°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#183B2D
RGB	rgb(24, 59, 45)
HSL	hsl(156, 42%, 16%)
HSV	hsv(156, 59%, 23%)
CMYK	cmyk(59.3%, 0%, 23.7%, 76.9%)
CIE-LAB	lab(21.99, -16.76, 4.87)
CIE-LCH	lch(21.99, 17.45, 163.80°)
OKLab	oklab(32.15% -0.0466 0.0125)
OKLCH	oklch(32.15% 0.048 165)
XYZ	xyz(2.4141, 3.5114, 3.0327)
Luminance	0.0351 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B2D #3B1826

analogous

#183B1C #183B2D #18383B

triadic

#183B2D #2D183B #3B2D18

tetradic

#183B2D #1C183B #3B1826 #383B18

square

#183B2D #1C183B #3B1826 #383B18

split-complementary

#183B2D #3B1838 #3B1C18

monochromatic

#091611 #091611 #183B2D #2A674E #3B926F

Accessibility & contrast

On white

12.34

#183B2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#183B2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B2D

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B2D	#FFFFFF	#000000	##FFFFFF
##183B2D	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372C

Deuteranopia (green-blind)

#35332E

Tritanopia (blue-blind)

#0B3B37

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183b2d;
/* rgb */ color: rgb(24, 59, 45);
/* oklch */ color: oklch(32.1% 0.048 165.0);

Tailwind

colors: {
  custom: {
    50: '#587165',
    500: '#183b2d',
    950: '#000000',
  },
}

SCSS

$custom: #183b2d;
$custom-light: #587165;
$custom-dark: #000000;

JSON

{
  "hex": "#183b2d",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 45
  },
  "hsl": {
    "h": 156,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.32149,
    "c": 0.04826,
    "h": 165
  },
  "luminance": 0.03512
}

Semantic roles & 50–950 ramp

primary

#183B2D

secondary

#713E52

accent

#5687D2

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030705

muted

#787A7A

Preview Lab

Preview with #183B2D

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

Preview Lab → · Contrast checker → · Palette generator →