#18554B#18554B

#18554B is a dark, moderate teal. Relative luminance 0.072; OKLCH L 40.8% C 0.064 H 179.9°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#18554B
RGB	rgb(24, 85, 75)
HSL	hsl(170, 56%, 21%)
HSV	hsv(170, 72%, 33%)
CMYK	cmyk(71.8%, 0%, 11.8%, 66.7%)
CIE-LAB	lab(32.25, -21.97, 0.18)
CIE-LCH	lch(32.25, 21.97, 179.53°)
OKLab	oklab(40.8% -0.0636 0.0001)
OKLCH	oklch(40.8% 0.064 179.9)
XYZ	xyz(4.8946, 7.1986, 7.7868)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18554B #551822

analogous

#18552D #18554B #184155

triadic

#18554B #4B1855 #554B18

tetradic

#18554B #2D1855 #551822 #415518

square

#18554B #2D1855 #551822 #415518

split-complementary

#18554B #551841 #552D18

monochromatic

#071815 #0B2521 #18554B #258575 #33B49F

Accessibility & contrast

On white

8.61

#18554B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#18554B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18554B

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18554B	#FFFFFF	#000000	##FFFFFF
##18554B	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504B

Deuteranopia (green-blind)

#48494C

Tritanopia (blue-blind)

#005752

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #18554b;
/* rgb */ color: rgb(24, 85, 75);
/* oklch */ color: oklch(40.8% 0.064 179.9);

Tailwind

colors: {
  custom: {
    50: '#5e857d',
    500: '#18554b',
    950: '#000000',
  },
}

SCSS

$custom: #18554b;
$custom-light: #5e857d;
$custom-dark: #000000;

JSON

{
  "hex": "#18554b",
  "rgb": {
    "r": 24,
    "g": 85,
    "b": 75
  },
  "hsl": {
    "h": 170.164,
    "s": 55.963,
    "l": 21.373
  },
  "oklch": {
    "l": 0.40801,
    "c": 0.06361,
    "h": 179.9
  },
  "luminance": 0.07199
}

Semantic roles & 50–950 ramp

primary

#18554B

secondary

#8C3D4A

accent

#4961DF

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B09

muted

#797C7B

Preview Lab

Preview with #18554B

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

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