#18474C#18474C

#18474C is a dark, muted teal. Relative luminance 0.052; OKLCH L 36.8% C 0.051 H 205.0°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#18474C
RGB	rgb(24, 71, 76)
HSL	hsl(186, 52%, 20%)
HSV	hsv(186, 68%, 30%)
CMYK	cmyk(68.4%, 6.6%, 0%, 70.2%)
CIE-LAB	lab(27.36, -13.94, -7.72)
CIE-LCH	lch(27.36, 15.93, 209.00°)
OKLab	oklab(36.84% -0.046 -0.0214)
OKLCH	oklch(36.84% 0.051 205)
XYZ	xyz(3.9339, 5.2221, 7.6367)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18474C #4C1D18

analogous

#184C37 #18474C #182D4C

triadic

#18474C #4C1847 #474C18

tetradic

#18474C #37184C #4C1D18 #2D4C18

square

#18474C #37184C #4C1D18 #2D4C18

split-complementary

#18474C #4C182D #4C3718

monochromatic

#071617 #091C1D #18474C #27727B #359EA9

Accessibility & contrast

On white

10.27

#18474C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#18474C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18474C

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18474C	#FFFFFF	#000000	##FFFFFF
##18474C	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41444C

Deuteranopia (green-blind)

#393E4C

Tritanopia (blue-blind)

#004A48

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18474c;
/* rgb */ color: rgb(24, 71, 76);
/* oklch */ color: oklch(36.8% 0.051 205.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18474c",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 76
  },
  "hsl": {
    "h": 185.769,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.36843,
    "c": 0.05071,
    "h": 205
  },
  "luminance": 0.05222
}

Semantic roles & 50–950 ramp

primary

#18474C

secondary

#83443D

accent

#5A4CDB

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040909

muted

#797B7B

Preview Lab

Preview with #18474C

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

Preview Lab → · Contrast checker → · Palette generator →