#18555A#18555A

#18555A is a dark, moderate teal. Relative luminance 0.074; OKLCH L 41.4% C 0.061 H 203.0°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#18555A
RGB	rgb(24, 85, 90)
HSL	hsl(185, 58%, 22%)
HSV	hsv(185, 73%, 35%)
CMYK	cmyk(73.3%, 5.6%, 0%, 64.7%)
CIE-LAB	lab(32.76, -17.15, -8.55)
CIE-LCH	lch(32.76, 19.16, 206.50°)
OKLab	oklab(41.38% -0.056 -0.0237)
OKLCH	oklch(41.38% 0.061 203)
XYZ	xyz(5.4698, 7.4288, 10.8165)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18555A #5A1D18

analogous

#185A3E #18555A #18345A

triadic

#18555A #5A1855 #555A18

tetradic

#18555A #3E185A #5A1D18 #345A18

square

#18555A #3E185A #5A1D18 #345A18

split-complementary

#18555A #5A1834 #5A3E18

monochromatic

#061718 #0B272A #18555A #25838A #32B0BB

Accessibility & contrast

On white

8.45

#18555A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#18555A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18555A

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18555A	#FFFFFF	#000000	##FFFFFF
##18555A	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E515A

Deuteranopia (green-blind)

#444A5A

Tritanopia (blue-blind)

#005956

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18555a;
/* rgb */ color: rgb(24, 85, 90);
/* oklch */ color: oklch(41.4% 0.061 203.0);

Tailwind

colors: {
  custom: {
    50: '#608588',
    500: '#18555a',
    950: '#000000',
  },
}

SCSS

$custom: #18555a;
$custom-light: #608588;
$custom-dark: #000000;

JSON

{
  "hex": "#18555a",
  "rgb": {
    "r": 24,
    "g": 85,
    "b": 90
  },
  "hsl": {
    "h": 184.545,
    "s": 57.895,
    "l": 22.353
  },
  "oklch": {
    "l": 0.41383,
    "c": 0.06079,
    "h": 203
  },
  "luminance": 0.07429
}

Semantic roles & 50–950 ramp

primary

#18555A

secondary

#91443D

accent

#5247E1

background

#F5F8F8

surface

#EAEFEF

border

#C6CACA

text

#050B0B

muted

#797C7C

Preview Lab

Preview with #18555A

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

Preview Lab → · Contrast checker → · Palette generator →