#183D44#183D44

#183D44 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.6% C 0.044 H 211.8°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#183D44
RGB	rgb(24, 61, 68)
HSL	hsl(190, 48%, 18%)
HSV	hsv(190, 65%, 27%)
CMYK	cmyk(64.7%, 10.3%, 0%, 73.3%)
CIE-LAB	lab(23.50, -10.71, -8.28)
CIE-LCH	lch(23.50, 13.54, 217.72°)
OKLab	oklab(33.64% -0.0371 -0.023)
OKLCH	oklch(33.64% 0.044 211.8)
XYZ	xyz(3.0884, 3.9487, 6.0671)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183D44 #441F18

analogous

#184435 #183D44 #182744

triadic

#183D44 #44183D #3D4418

tetradic

#183D44 #351844 #441F18 #274418

square

#183D44 #351844 #441F18 #274418

split-complementary

#183D44 #441827 #443518

monochromatic

#081417 #081417 #183D44 #286671 #388E9E

Accessibility & contrast

On white

11.73

#183D44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#183D44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183D44

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183D44	#FFFFFF	#000000	##FFFFFF
##183D44	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373B44

Deuteranopia (green-blind)

#313644

Tritanopia (blue-blind)

#00403F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183d44;
/* rgb */ color: rgb(24, 61, 68);
/* oklch */ color: oklch(33.6% 0.044 211.8);

Tailwind

colors: {
  custom: {
    50: '#5a7277',
    500: '#183d44',
    950: '#000000',
  },
}

SCSS

$custom: #183d44;
$custom-light: #5a7277;
$custom-dark: #000000;

JSON

{
  "hex": "#183d44",
  "rgb": {
    "r": 24,
    "g": 61,
    "b": 68
  },
  "hsl": {
    "h": 189.545,
    "s": 47.826,
    "l": 18.039
  },
  "oklch": {
    "l": 0.33636,
    "c": 0.04361,
    "h": 211.8
  },
  "luminance": 0.03949
}

Semantic roles & 50–950 ramp

primary

#183D44

secondary

#7B473D

accent

#6650D7

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #183D44

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

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