#18474D#18474D

#18474D is a dark, muted teal. Relative luminance 0.052; OKLCH L 36.9% C 0.051 H 206.9°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#18474D
RGB	rgb(24, 71, 77)
HSL	hsl(187, 52%, 20%)
HSV	hsv(187, 69%, 30%)
CMYK	cmyk(68.8%, 7.8%, 0%, 69.8%)
CIE-LAB	lab(27.40, -13.59, -8.32)
CIE-LCH	lch(27.40, 15.93, 211.46°)
OKLab	oklab(36.89% -0.0455 -0.023)
OKLCH	oklch(36.89% 0.051 206.9)
XYZ	xyz(3.9689, 5.2361, 7.8212)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18474D #4D1E18

analogous

#184D38 #18474D #182D4D

triadic

#18474D #4D1847 #474D18

tetradic

#18474D #38184D #4D1E18 #2D4D18

square

#18474D #38184D #4D1E18 #2D4D18

split-complementary

#18474D #4D182D #4D3818

monochromatic

#071617 #091C1E #18474D #27727C #359DAA

Accessibility & contrast

On white

10.26

#18474D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#18474D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18474D

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18474D	#FFFFFF	#000000	##FFFFFF
##18474D	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41444D

Deuteranopia (green-blind)

#393E4D

Tritanopia (blue-blind)

#004A49

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18474d;
/* rgb */ color: rgb(24, 71, 77);
/* oklch */ color: oklch(36.9% 0.051 206.9);

Tailwind

colors: {
  custom: {
    50: '#5c7a7e',
    500: '#18474d',
    950: '#000000',
  },
}

SCSS

$custom: #18474d;
$custom-light: #5c7a7e;
$custom-dark: #000000;

JSON

{
  "hex": "#18474d",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 77
  },
  "hsl": {
    "h": 186.792,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.36888,
    "c": 0.05099,
    "h": 206.9
  },
  "luminance": 0.05236
}

Semantic roles & 50–950 ramp

primary

#18474D

secondary

#84453D

accent

#5C4CDC

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04090A

muted

#797B7C

Preview Lab

Preview with #18474D

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

Preview Lab → · Contrast checker → · Palette generator →