#183E2B#183E2B

#183E2B is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.0% C 0.055 H 159.3°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#183E2B
RGB	rgb(24, 62, 43)
HSL	hsl(150, 44%, 17%)
HSV	hsv(150, 61%, 24%)
CMYK	cmyk(61.3%, 0%, 30.6%, 75.7%)
CIE-LAB	lab(23.05, -18.91, 7.68)
CIE-LCH	lch(23.05, 20.41, 157.90°)
OKLab	oklab(33% -0.0519 0.0196)
OKLCH	oklch(33% 0.055 159.3)
XYZ	xyz(2.5351, 3.8136, 2.8875)
Luminance	0.0381 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E2B #3E182B

analogous

#183E18 #183E2B #183E3E

triadic

#183E2B #2B183E #3E2B18

tetradic

#183E2B #18183E #3E182B #3E3E18

square

#183E2B #18183E #3E182B #3E3E18

split-complementary

#183E2B #3E183E #3E1818

monochromatic

#09160F #09160F #183E2B #296A4A #3A9668

Accessibility & contrast

On white

11.91

#183E2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#183E2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E2B

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E2B	#FFFFFF	#000000	##FFFFFF
##183E2B	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D392A

Deuteranopia (green-blind)

#38352C

Tritanopia (blue-blind)

#0B3E39

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183e2b;
/* rgb */ color: rgb(24, 62, 43);
/* oklch */ color: oklch(33.0% 0.055 159.3);

Tailwind

colors: {
  custom: {
    50: '#597364',
    500: '#183e2b',
    950: '#000000',
  },
}

SCSS

$custom: #183e2b;
$custom-light: #597364;
$custom-dark: #000000;

JSON

{
  "hex": "#183e2b",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 43
  },
  "hsl": {
    "h": 150,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.32995,
    "c": 0.05546,
    "h": 159.3
  },
  "luminance": 0.03814
}

Semantic roles & 50–950 ramp

primary

#183E2B

secondary

#743D59

accent

#5494D4

background

#F5F7F5

surface

#E9EDEA

border

#C5C8C6

text

#030805

muted

#787B79

Preview Lab

Preview with #183E2B

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

Preview Lab → · Contrast checker → · Palette generator →