#18474F#18474F

#18474F is a dark, muted teal. Relative luminance 0.053; OKLCH L 37.0% C 0.052 H 210.6°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#18474F
RGB	rgb(24, 71, 79)
HSL	hsl(189, 53%, 20%)
HSV	hsv(189, 70%, 31%)
CMYK	cmyk(69.6%, 10.1%, 0%, 69%)
CIE-LAB	lab(27.48, -12.89, -9.50)
CIE-LCH	lch(27.48, 16.01, 216.38°)
OKLab	oklab(36.98% -0.0445 -0.0263)
OKLCH	oklch(36.98% 0.052 210.6)
XYZ	xyz(4.0406, 5.2647, 8.1989)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18474F #4F2018

analogous

#184F3B #18474F #182C4F

triadic

#18474F #4F1847 #474F18

tetradic

#18474F #3B184F #4F2018 #2C4F18

square

#18474F #3B184F #4F2018 #2C4F18

split-complementary

#18474F #4F182C #4F3B18

monochromatic

#071517 #0A1D20 #18474F #26717E #359BAD

Accessibility & contrast

On white

10.23

#18474F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#18474F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18474F

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18474F	#FFFFFF	#000000	##FFFFFF
##18474F	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40444F

Deuteranopia (green-blind)

#383E4F

Tritanopia (blue-blind)

#004B49

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18474f;
/* rgb */ color: rgb(24, 71, 79);
/* oklch */ color: oklch(37.0% 0.052 210.6);

Tailwind

colors: {
  custom: {
    50: '#5d7a80',
    500: '#18474f',
    950: '#000000',
  },
}

SCSS

$custom: #18474f;
$custom-light: #5d7a80;
$custom-dark: #000000;

JSON

{
  "hex": "#18474f",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 79
  },
  "hsl": {
    "h": 188.727,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.36977,
    "c": 0.05172,
    "h": 210.6
  },
  "luminance": 0.05265
}

Semantic roles & 50–950 ramp

primary

#18474F

secondary

#86483D

accent

#604BDD

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04090A

muted

#797B7C

Preview Lab

Preview with #18474F

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

Preview Lab → · Contrast checker → · Palette generator →