#183C41#183C41

#183C41 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.2% C 0.042 H 207.5°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#183C41
RGB	rgb(24, 60, 65)
HSL	hsl(187, 46%, 17%)
HSV	hsv(187, 63%, 25%)
CMYK	cmyk(63.1%, 7.7%, 0%, 74.5%)
CIE-LAB	lab(23.02, -11.14, -7.00)
CIE-LCH	lch(23.02, 13.16, 212.16°)
OKLab	oklab(33.21% -0.0372 -0.0194)
OKLCH	oklch(33.21% 0.042 207.5)
XYZ	xyz(2.9463, 3.8073, 5.5796)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C41 #411D18

analogous

#184131 #183C41 #182841

triadic

#183C41 #41183C #3C4118

tetradic

#183C41 #311841 #411D18 #284118

square

#183C41 #311841 #411D18 #284118

split-complementary

#183C41 #411828 #413118

monochromatic

#081516 #081516 #183C41 #29656E #398F9A

Accessibility & contrast

On white

11.92

#183C41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#183C41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C41

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C41	#FFFFFF	#000000	##FFFFFF
##183C41	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373A41

Deuteranopia (green-blind)

#313541

Tritanopia (blue-blind)

#003F3D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183c41;
/* rgb */ color: rgb(24, 60, 65);
/* oklch */ color: oklch(33.2% 0.042 207.5);

Tailwind

colors: {
  custom: {
    50: '#5a7175',
    500: '#183c41',
    950: '#000000',
  },
}

SCSS

$custom: #183c41;
$custom-light: #5a7175;
$custom-dark: #000000;

JSON

{
  "hex": "#183c41",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 65
  },
  "hsl": {
    "h": 187.317,
    "s": 46.067,
    "l": 17.451
  },
  "oklch": {
    "l": 0.33212,
    "c": 0.04197,
    "h": 207.5
  },
  "luminance": 0.03808
}

Semantic roles & 50–950 ramp

primary

#183C41

secondary

#78443D

accent

#6252D6

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #183C41

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

Preview Lab → · Contrast checker → · Palette generator →