#18533B#18533B

#18533B is a dark, moderate teal. Relative luminance 0.067; OKLCH L 39.7% C 0.073 H 162.5°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#18533B
RGB	rgb(24, 83, 59)
HSL	hsl(156, 55%, 21%)
HSV	hsv(156, 71%, 33%)
CMYK	cmyk(71.1%, 0%, 28.9%, 67.5%)
CIE-LAB	lab(31.10, -25.45, 8.63)
CIE-LCH	lch(31.10, 26.87, 161.26°)
OKLab	oklab(39.72% -0.0698 0.022)
OKLCH	oklch(39.72% 0.073 162.5)
XYZ	xyz(4.2589, 6.6960, 5.2048)
Luminance	0.0670 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18533B #531830

analogous

#18531D #18533B #184D53

triadic

#18533B #3B1853 #533B18

tetradic

#18533B #1D1853 #531830 #4D5318

square

#18533B #1D1853 #531830 #4D5318

split-complementary

#18533B #53184D #531D18

monochromatic

#071811 #0A2419 #18533B #26825D #33B27E

Accessibility & contrast

On white

8.98

#18533B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#18533B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18533B

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18533B	#FFFFFF	#000000	##FFFFFF
##18533B	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D3A

Deuteranopia (green-blind)

#4A473D

Tritanopia (blue-blind)

#00534C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #18533b;
/* rgb */ color: rgb(24, 83, 59);
/* oklch */ color: oklch(39.7% 0.073 162.5);

Tailwind

colors: {
  custom: {
    50: '#5d8471',
    500: '#18533b',
    950: '#000000',
  },
}

SCSS

$custom: #18533b;
$custom-light: #5d8471;
$custom-dark: #000000;

JSON

{
  "hex": "#18533b",
  "rgb": {
    "r": 24,
    "g": 83,
    "b": 59
  },
  "hsl": {
    "h": 155.593,
    "s": 55.14,
    "l": 20.98
  },
  "oklch": {
    "l": 0.39716,
    "c": 0.07324,
    "h": 162.5
  },
  "luminance": 0.06696
}

Semantic roles & 50–950 ramp

primary

#18533B

secondary

#8A3D5C

accent

#4986DE

background

#F5F8F6

surface

#E9EFEC

border

#C5CAC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #18533B

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

Preview Lab → · Contrast checker → · Palette generator →