#183E44#183E44

#183E44 is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.044 H 209.2°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#183E44
RGB	rgb(24, 62, 68)
HSL	hsl(188, 48%, 18%)
HSV	hsv(188, 65%, 27%)
CMYK	cmyk(64.7%, 8.8%, 0%, 73.3%)
CIE-LAB	lab(23.86, -11.32, -7.75)
CIE-LCH	lch(23.86, 13.72, 214.37°)
OKLab	oklab(33.92% -0.0384 -0.0214)
OKLCH	oklch(33.92% 0.044 209.2)
XYZ	xyz(3.1423, 4.0565, 6.0851)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E44 #441E18

analogous

#184434 #183E44 #182844

triadic

#183E44 #44183E #3E4418

tetradic

#183E44 #341844 #441E18 #284418

square

#183E44 #341844 #441E18 #284418

split-complementary

#183E44 #441828 #443418

monochromatic

#081517 #081517 #183E44 #286771 #38909E

Accessibility & contrast

On white

11.59

#183E44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#183E44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E44

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E44	#FFFFFF	#000000	##FFFFFF
##183E44	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393C44

Deuteranopia (green-blind)

#323744

Tritanopia (blue-blind)

#004140

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #183e44;
/* rgb */ color: rgb(24, 62, 68);
/* oklch */ color: oklch(33.9% 0.044 209.2);

Tailwind

colors: {
  custom: {
    50: '#5a7377',
    500: '#183e44',
    950: '#000000',
  },
}

SCSS

$custom: #183e44;
$custom-light: #5a7377;
$custom-dark: #000000;

JSON

{
  "hex": "#183e44",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 68
  },
  "hsl": {
    "h": 188.182,
    "s": 47.826,
    "l": 18.039
  },
  "oklch": {
    "l": 0.33922,
    "c": 0.04397,
    "h": 209.2
  },
  "luminance": 0.04057
}

Semantic roles & 50–950 ramp

primary

#183E44

secondary

#7B463D

accent

#6350D7

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #183E44

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

Preview Lab → · Contrast checker → · Palette generator →