#18393B#18393B

#18393B is a dark, muted teal. Relative luminance 0.034; OKLCH L 32.1% C 0.039 H 200.7°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#18393B
RGB	rgb(24, 57, 59)
HSL	hsl(183, 42%, 16%)
HSV	hsv(183, 59%, 23%)
CMYK	cmyk(59.3%, 3.4%, 0%, 76.9%)
CIE-LAB	lab(21.71, -11.34, -4.95)
CIE-LCH	lch(21.71, 12.37, 203.56°)
OKLab	oklab(32.08% -0.0362 -0.0136)
OKLCH	oklch(32.08% 0.039 200.7)
XYZ	xyz(2.6289, 3.4360, 4.6615)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18393B #3B1A18

analogous

#183B2C #18393B #18283B

triadic

#18393B #3B1839 #393B18

tetradic

#18393B #2C183B #3B1A18 #283B18

square

#18393B #2C183B #3B1A18 #283B18

split-complementary

#18393B #3B1828 #3B2C18

monochromatic

#091516 #091516 #18393B #2A6367 #3B8D92

Accessibility & contrast

On white

12.45

#18393B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#18393B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18393B

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18393B	#FFFFFF	#000000	##FFFFFF
##18393B	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35373B

Deuteranopia (green-blind)

#2F323B

Tritanopia (blue-blind)

#023B3A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #18393b;
/* rgb */ color: rgb(24, 57, 59);
/* oklch */ color: oklch(32.1% 0.039 200.7);

Tailwind

colors: {
  custom: {
    50: '#596f70',
    500: '#18393b',
    950: '#000000',
  },
}

SCSS

$custom: #18393b;
$custom-light: #596f70;
$custom-dark: #000000;

JSON

{
  "hex": "#18393b",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 59
  },
  "hsl": {
    "h": 183.429,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.3208,
    "c": 0.03867,
    "h": 200.7
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary

#18393B

secondary

#71413E

accent

#5D56D2

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#040707

muted

#797A7A

Preview Lab

Preview with #18393B

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

Preview Lab → · Contrast checker → · Palette generator →