#18423D#18423D

#18423D is a dark, muted teal. Relative luminance 0.044; OKLCH L 34.8% C 0.047 H 184.7°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#18423D
RGB	rgb(24, 66, 61)
HSL	hsl(173, 47%, 18%)
HSV	hsv(173, 64%, 26%)
CMYK	cmyk(63.6%, 0%, 7.6%, 74.1%)
CIE-LAB	lab(25.04, -15.99, -1.35)
CIE-LCH	lch(25.04, 16.05, 184.82°)
OKLab	oklab(34.79% -0.0473 -0.0039)
OKLCH	oklch(34.79% 0.047 184.7)
XYZ	xyz(3.1668, 4.4272, 5.1016)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18423D #42181D

analogous

#184228 #18423D #183242

triadic

#18423D #3D1842 #423D18

tetradic

#18423D #281842 #42181D #324218

square

#18423D #281842 #42181D #324218

split-complementary

#18423D #421832 #422818

monochromatic

#081615 #081615 #18423D #286F66 #399C90

Accessibility & contrast

On white

11.14

#18423D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#18423D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18423D

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18423D	#FFFFFF	#000000	##FFFFFF
##18423D	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3E3D

Deuteranopia (green-blind)

#38393E

Tritanopia (blue-blind)

#004340

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #18423d;
/* rgb */ color: rgb(24, 66, 61);
/* oklch */ color: oklch(34.8% 0.047 184.7);

Tailwind

colors: {
  custom: {
    50: '#5a7672',
    500: '#18423d',
    950: '#000000',
  },
}

SCSS

$custom: #18423d;
$custom-light: #5a7672;
$custom-dark: #000000;

JSON

{
  "hex": "#18423d",
  "rgb": {
    "r": 24,
    "g": 66,
    "b": 61
  },
  "hsl": {
    "h": 172.857,
    "s": 46.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.34788,
    "c": 0.04744,
    "h": 184.7
  },
  "luminance": 0.04428
}

Semantic roles & 50–950 ramp

primary

#18423D

secondary

#793D44

accent

#5161D6

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040808

muted

#797B7B

Preview Lab

Preview with #18423D

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

Preview Lab → · Contrast checker → · Palette generator →