#183D41#183D41

#183D41 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.5% C 0.043 H 204.9°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#183D41
RGB	rgb(24, 61, 65)
HSL	hsl(186, 46%, 17%)
HSV	hsv(186, 63%, 25%)
CMYK	cmyk(63.1%, 6.2%, 0%, 74.5%)
CIE-LAB	lab(23.38, -11.75, -6.47)
CIE-LCH	lch(23.38, 13.41, 208.82°)
OKLab	oklab(33.5% -0.0386 -0.0179)
OKLCH	oklch(33.5% 0.043 204.9)
XYZ	xyz(2.9992, 3.9130, 5.5972)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183D41 #411C18

analogous

#184131 #183D41 #182841

triadic

#183D41 #41183D #3D4118

tetradic

#183D41 #311841 #411C18 #284118

square

#183D41 #311841 #411C18 #284118

split-complementary

#183D41 #411828 #413118

monochromatic

#081516 #081516 #183D41 #29676E #39919A

Accessibility & contrast

On white

11.78

#183D41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#183D41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183D41

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183D41	#FFFFFF	#000000	##FFFFFF
##183D41	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383A41

Deuteranopia (green-blind)

#323641

Tritanopia (blue-blind)

#00403E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183d41;
/* rgb */ color: rgb(24, 61, 65);
/* oklch */ color: oklch(33.5% 0.043 204.9);

Tailwind

colors: {
  custom: {
    50: '#5a7275',
    500: '#183d41',
    950: '#000000',
  },
}

SCSS

$custom: #183d41;
$custom-light: #5a7275;
$custom-dark: #000000;

JSON

{
  "hex": "#183d41",
  "rgb": {
    "r": 24,
    "g": 61,
    "b": 65
  },
  "hsl": {
    "h": 185.854,
    "s": 46.067,
    "l": 17.451
  },
  "oklch": {
    "l": 0.335,
    "c": 0.0425,
    "h": 204.9
  },
  "luminance": 0.03913
}

Semantic roles & 50–950 ramp

primary

#183D41

secondary

#78433D

accent

#5F52D6

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #183D41

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

Preview Lab → · Contrast checker → · Palette generator →