#18474B#18474B

#18474B is a dark, muted teal. Relative luminance 0.052; OKLCH L 36.8% C 0.050 H 203.0°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#18474B
RGB	rgb(24, 71, 75)
HSL	hsl(185, 52%, 19%)
HSV	hsv(185, 68%, 29%)
CMYK	cmyk(68%, 5.3%, 0%, 70.6%)
CIE-LAB	lab(27.32, -14.28, -7.13)
CIE-LCH	lch(27.32, 15.96, 206.54°)
OKLab	oklab(36.8% -0.0465 -0.0197)
OKLCH	oklch(36.8% 0.05 203)
XYZ	xyz(3.8994, 5.2083, 7.4550)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18474B #4B1C18

analogous

#184B36 #18474B #182E4B

triadic

#18474B #4B1847 #474B18

tetradic

#18474B #36184B #4B1C18 #2E4B18

square

#18474B #36184B #4B1C18 #2E4B18

split-complementary

#18474B #4B182E #4B3618

monochromatic

#071617 #091B1D #18474B #277379 #369FA8

Accessibility & contrast

On white

10.29

#18474B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#18474B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18474B

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18474B	#FFFFFF	#000000	##FFFFFF
##18474B	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41444B

Deuteranopia (green-blind)

#393E4B

Tritanopia (blue-blind)

#004A48

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18474b;
/* rgb */ color: rgb(24, 71, 75);
/* oklch */ color: oklch(36.8% 0.050 203.0);

Tailwind

colors: {
  custom: {
    50: '#5c7a7d',
    500: '#18474b',
    950: '#000000',
  },
}

SCSS

$custom: #18474b;
$custom-light: #5c7a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#18474b",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 75
  },
  "hsl": {
    "h": 184.706,
    "s": 51.515,
    "l": 19.412
  },
  "oklch": {
    "l": 0.368,
    "c": 0.05048,
    "h": 203
  },
  "luminance": 0.05209
}

Semantic roles & 50–950 ramp

primary

#18474B

secondary

#82423D

accent

#584DDB

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040909

muted

#797B7B

Preview Lab

Preview with #18474B

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

Preview Lab → · Contrast checker → · Palette generator →