#18504B#18504B

#18504B is a dark, muted teal. Relative luminance 0.064; OKLCH L 39.4% C 0.058 H 186.7°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#18504B
RGB	rgb(24, 80, 75)
HSL	hsl(175, 54%, 20%)
HSV	hsv(175, 70%, 31%)
CMYK	cmyk(70%, 0%, 6.2%, 68.6%)
CIE-LAB	lab(30.49, -19.33, -2.40)
CIE-LCH	lch(30.49, 19.47, 187.08°)
OKLab	oklab(39.37% -0.0576 -0.0068)
OKLCH	oklch(39.37% 0.058 186.7)
XYZ	xyz(4.5148, 6.4390, 7.6602)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18504B #50181D

analogous

#18502F #18504B #183950

triadic

#18504B #4B1850 #504B18

tetradic

#18504B #2F1850 #50181D #395018

square

#18504B #2F1850 #50181D #395018

split-complementary

#18504B #501839 #502F18

monochromatic

#071816 #0A211F #18504B #267F77 #34AEA3

Accessibility & contrast

On white

9.18

#18504B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#18504B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18504B

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18504B	#FFFFFF	#000000	##FFFFFF
##18504B	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4B4B

Deuteranopia (green-blind)

#43454C

Tritanopia (blue-blind)

#00524E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #18504b;
/* rgb */ color: rgb(24, 80, 75);
/* oklch */ color: oklch(39.4% 0.058 186.7);

Tailwind

colors: {
  custom: {
    50: '#5d817d',
    500: '#18504b',
    950: '#000000',
  },
}

SCSS

$custom: #18504b;
$custom-light: #5d817d;
$custom-dark: #000000;

JSON

{
  "hex": "#18504b",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 75
  },
  "hsl": {
    "h": 174.643,
    "s": 53.846,
    "l": 20.392
  },
  "oklch": {
    "l": 0.39369,
    "c": 0.05797,
    "h": 186.7
  },
  "luminance": 0.0644
}

Semantic roles & 50–950 ramp

primary

#18504B

secondary

#873D44

accent

#4B58DD

background

#F5F7F7

surface

#E9EEEE

border

#C5C9C9

text

#050A09

muted

#797C7B

Preview Lab

Preview with #18504B

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

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