#18423B#18423B

#18423B is a dark, muted teal. Relative luminance 0.044; OKLCH L 34.7% C 0.048 H 180.7°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#18423B
RGB	rgb(24, 66, 59)
HSL	hsl(170, 47%, 18%)
HSV	hsv(170, 64%, 26%)
CMYK	cmyk(63.6%, 0%, 10.6%, 74.1%)
CIE-LAB	lab(24.97, -16.61, -0.13)
CIE-LCH	lch(24.97, 16.61, 180.43°)
OKLab	oklab(34.71% -0.0484 -0.0006)
OKLCH	oklch(34.71% 0.048 180.7)
XYZ	xyz(3.1140, 4.4061, 4.8232)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18423B #42181F

analogous

#184226 #18423B #183442

triadic

#18423B #3B1842 #423B18

tetradic

#18423B #261842 #42181F #344218

square

#18423B #261842 #42181F #344218

split-complementary

#18423B #421834 #422618

monochromatic

#081614 #081614 #18423B #286F63 #399C8B

Accessibility & contrast

On white

11.16

#18423B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#18423B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18423B

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18423B	#FFFFFF	#000000	##FFFFFF
##18423B	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3E3B

Deuteranopia (green-blind)

#39393C

Tritanopia (blue-blind)

#004340

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #18423b;
/* rgb */ color: rgb(24, 66, 59);
/* oklch */ color: oklch(34.7% 0.048 180.7);

Tailwind

colors: {
  custom: {
    50: '#5a7670',
    500: '#18423b',
    950: '#000000',
  },
}

SCSS

$custom: #18423b;
$custom-light: #5a7670;
$custom-dark: #000000;

JSON

{
  "hex": "#18423b",
  "rgb": {
    "r": 24,
    "g": 66,
    "b": 59
  },
  "hsl": {
    "h": 170,
    "s": 46.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.34713,
    "c": 0.04836,
    "h": 180.7
  },
  "luminance": 0.04406
}

Semantic roles & 50–950 ramp

primary

#18423B

secondary

#793D47

accent

#5168D6

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040807

muted

#797B7A

Preview Lab

Preview with #18423B

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

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