#183F44#183F44

#183F44 is a dark, muted teal. Relative luminance 0.042; OKLCH L 34.2% C 0.044 H 206.7°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#183F44
RGB	rgb(24, 63, 68)
HSL	hsl(187, 48%, 18%)
HSV	hsv(187, 65%, 27%)
CMYK	cmyk(64.7%, 7.4%, 0%, 73.3%)
CIE-LAB	lab(24.21, -11.93, -7.21)
CIE-LCH	lch(24.21, 13.94, 211.14°)
OKLab	oklab(34.21% -0.0397 -0.0199)
OKLCH	oklch(34.21% 0.044 206.7)
XYZ	xyz(3.1972, 4.1662, 6.1034)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183F44 #441D18

analogous

#184433 #183F44 #182944

triadic

#183F44 #44183F #3F4418

tetradic

#183F44 #331844 #441D18 #294418

square

#183F44 #331844 #441D18 #294418

split-complementary

#183F44 #441829 #443318

monochromatic

#081517 #081517 #183F44 #286971 #38939E

Accessibility & contrast

On white

11.45

#183F44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#183F44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183F44

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183F44	#FFFFFF	#000000	##FFFFFF
##183F44	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3C44

Deuteranopia (green-blind)

#333744

Tritanopia (blue-blind)

#004240

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #183f44;
/* rgb */ color: rgb(24, 63, 68);
/* oklch */ color: oklch(34.2% 0.044 206.7);

Tailwind

colors: {
  custom: {
    50: '#5a7477',
    500: '#183f44',
    950: '#000000',
  },
}

SCSS

$custom: #183f44;
$custom-light: #5a7477;
$custom-dark: #000000;

JSON

{
  "hex": "#183f44",
  "rgb": {
    "r": 24,
    "g": 63,
    "b": 68
  },
  "hsl": {
    "h": 186.818,
    "s": 47.826,
    "l": 18.039
  },
  "oklch": {
    "l": 0.34208,
    "c": 0.04444,
    "h": 206.7
  },
  "luminance": 0.04167
}

Semantic roles & 50–950 ramp

primary

#183F44

secondary

#7B443D

accent

#6050D7

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #183F44

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

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