#18543B#18543B

#18543B is a dark, moderate teal. Relative luminance 0.069; OKLCH L 40.0% C 0.075 H 161.9°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#18543B
RGB	rgb(24, 84, 59)
HSL	hsl(155, 56%, 21%)
HSV	hsv(155, 71%, 33%)
CMYK	cmyk(71.4%, 0%, 29.8%, 67.1%)
CIE-LAB	lab(31.46, -25.93, 9.13)
CIE-LCH	lch(31.46, 27.49, 160.60°)
OKLab	oklab(40.01% -0.0711 0.0233)
OKLCH	oklch(40.01% 0.075 161.9)
XYZ	xyz(4.3360, 6.8501, 5.2305)
Luminance	0.0685 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18543B #541831

analogous

#18541D #18543B #184F54

triadic

#18543B #3B1854 #543B18

tetradic

#18543B #1D1854 #541831 #4F5418

square

#18543B #1D1854 #541831 #4F5418

split-complementary

#18543B #54184F #541D18

monochromatic

#071811 #0A241A #18543B #26845C #33B37E

Accessibility & contrast

On white

8.86

#18543B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#18543B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18543B

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18543B	#FFFFFF	#000000	##FFFFFF
##18543B	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D3A

Deuteranopia (green-blind)

#4B483D

Tritanopia (blue-blind)

#00544D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #18543b;
/* rgb */ color: rgb(24, 84, 59);
/* oklch */ color: oklch(40.0% 0.075 161.9);

Tailwind

colors: {
  custom: {
    50: '#5d8571',
    500: '#18543b',
    950: '#000000',
  },
}

SCSS

$custom: #18543b;
$custom-light: #5d8571;
$custom-dark: #000000;

JSON

{
  "hex": "#18543b",
  "rgb": {
    "r": 24,
    "g": 84,
    "b": 59
  },
  "hsl": {
    "h": 155,
    "s": 55.556,
    "l": 21.176
  },
  "oklch": {
    "l": 0.4001,
    "c": 0.07477,
    "h": 161.9
  },
  "luminance": 0.06851
}

Semantic roles & 50–950 ramp

primary

#18543B

secondary

#8B3D5D

accent

#4987DF

background

#F5F8F6

surface

#E9EFEC

border

#C5CAC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #18543B

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

Preview Lab → · Contrast checker → · Palette generator →