#18443B#18443B

#18443B is a dark, muted teal. Relative luminance 0.046; OKLCH L 35.3% C 0.051 H 177.5°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#18443B
RGB	rgb(24, 68, 59)
HSL	hsl(168, 48%, 18%)
HSV	hsv(168, 65%, 27%)
CMYK	cmyk(64.7%, 0%, 13.2%, 73.3%)
CIE-LAB	lab(25.70, -17.72, 0.93)
CIE-LCH	lch(25.70, 17.74, 177.00°)
OKLab	oklab(35.3% -0.051 0.0022)
OKLCH	oklch(35.3% 0.051 177.5)
XYZ	xyz(3.2329, 4.6439, 4.8628)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18443B #441821

analogous

#184425 #18443B #183744

triadic

#18443B #3B1844 #443B18

tetradic

#18443B #251844 #441821 #374418

square

#18443B #251844 #441821 #374418

split-complementary

#18443B #441837 #442518

monochromatic

#081714 #081714 #18443B #287162 #389E89

Accessibility & contrast

On white

10.89

#18443B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#18443B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18443B

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18443B	#FFFFFF	#000000	##FFFFFF
##18443B	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41403B

Deuteranopia (green-blind)

#3B3B3C

Tritanopia (blue-blind)

#004541

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #18443b;
/* rgb */ color: rgb(24, 68, 59);
/* oklch */ color: oklch(35.3% 0.051 177.5);

Tailwind

colors: {
  custom: {
    50: '#5a7870',
    500: '#18443b',
    950: '#000000',
  },
}

SCSS

$custom: #18443b;
$custom-light: #5a7870;
$custom-dark: #000000;

JSON

{
  "hex": "#18443b",
  "rgb": {
    "r": 24,
    "g": 68,
    "b": 59
  },
  "hsl": {
    "h": 167.727,
    "s": 47.826,
    "l": 18.039
  },
  "oklch": {
    "l": 0.35301,
    "c": 0.05104,
    "h": 177.5
  },
  "luminance": 0.04644
}

Semantic roles & 50–950 ramp

primary

#18443B

secondary

#7B3D4A

accent

#506CD7

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040907

muted

#797B7A

Preview Lab

Preview with #18443B

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

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