#18383E#18383E

#18383E is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.9% C 0.039 H 211.3°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#18383E
RGB	rgb(24, 56, 62)
HSL	hsl(189, 44%, 17%)
HSV	hsv(189, 61%, 24%)
CMYK	cmyk(61.3%, 9.7%, 0%, 75.7%)
CIE-LAB	lab(21.47, -9.70, -7.34)
CIE-LCH	lch(21.47, 12.16, 217.10°)
OKLab	oklab(31.92% -0.0333 -0.0203)
OKLCH	oklch(31.92% 0.039 211.3)
XYZ	xyz(2.6600, 3.3701, 5.0668)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18383E #3E1E18

analogous

#183E31 #18383E #18253E

triadic

#18383E #3E1838 #383E18

tetradic

#18383E #31183E #3E1E18 #253E18

square

#18383E #31183E #3E1E18 #253E18

split-complementary

#18383E #3E1825 #3E3118

monochromatic

#091416 #091416 #18383E #29606A #3A8896

Accessibility & contrast

On white

12.54

#18383E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#18383E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18383E

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18383E	#FFFFFF	#000000	##FFFFFF
##18383E	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33363E

Deuteranopia (green-blind)

#2D323E

Tritanopia (blue-blind)

#003B3A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #18383e;
/* rgb */ color: rgb(24, 56, 62);
/* oklch */ color: oklch(31.9% 0.039 211.3);

Tailwind

colors: {
  custom: {
    50: '#596e73',
    500: '#18383e',
    950: '#000000',
  },
}

SCSS

$custom: #18383e;
$custom-light: #596e73;
$custom-dark: #000000;

JSON

{
  "hex": "#18383e",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 62
  },
  "hsl": {
    "h": 189.474,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.31924,
    "c": 0.03898,
    "h": 211.3
  },
  "luminance": 0.0337
}

Semantic roles & 50–950 ramp

primary

#18383E

secondary

#74463D

accent

#6854D4

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#040708

muted

#797A7B

Preview Lab

Preview with #18383E

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

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