#183F46#183F46

#183F46 is a dark, muted teal. Relative luminance 0.042; OKLCH L 34.3% C 0.045 H 211.0°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#183F46
RGB	rgb(24, 63, 70)
HSL	hsl(189, 49%, 18%)
HSV	hsv(189, 66%, 27%)
CMYK	cmyk(65.7%, 10%, 0%, 72.5%)
CIE-LAB	lab(24.29, -11.24, -8.41)
CIE-LCH	lch(24.29, 14.04, 216.82°)
OKLab	oklab(34.3% -0.0387 -0.0233)
OKLCH	oklch(34.3% 0.045 211)
XYZ	xyz(3.2592, 4.1911, 6.4304)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183F46 #461F18

analogous

#184636 #183F46 #182846

triadic

#183F46 #46183F #3F4618

tetradic

#183F46 #361846 #461F18 #284618

square

#183F46 #361846 #461F18 #284618

split-complementary

#183F46 #461828 #463618

monochromatic

#081517 #081618 #183F46 #286874 #3791A1

Accessibility & contrast

On white

11.42

#183F46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#183F46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183F46

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183F46	#FFFFFF	#000000	##FFFFFF
##183F46	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393D46

Deuteranopia (green-blind)

#323846

Tritanopia (blue-blind)

#004241

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #183f46;
/* rgb */ color: rgb(24, 63, 70);
/* oklch */ color: oklch(34.3% 0.045 211.0);

Tailwind

colors: {
  custom: {
    50: '#5b7479',
    500: '#183f46',
    950: '#000000',
  },
}

SCSS

$custom: #183f46;
$custom-light: #5b7479;
$custom-dark: #000000;

JSON

{
  "hex": "#183f46",
  "rgb": {
    "r": 24,
    "g": 63,
    "b": 70
  },
  "hsl": {
    "h": 189.13,
    "s": 48.936,
    "l": 18.431
  },
  "oklch": {
    "l": 0.34299,
    "c": 0.0452,
    "h": 211
  },
  "luminance": 0.04191
}

Semantic roles & 50–950 ramp

primary

#183F46

secondary

#7D473D

accent

#644FD8

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #183F46

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

Preview Lab → · Contrast checker → · Palette generator →