#183428#183428

#183428 is a dark, muted teal. Relative luminance 0.028; OKLCH L 29.9% C 0.041 H 164.2°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#183428
RGB	rgb(24, 52, 40)
HSL	hsl(154, 37%, 15%)
HSV	hsv(154, 54%, 20%)
CMYK	cmyk(53.8%, 0%, 23.1%, 79.6%)
CIE-LAB	lab(19.24, -14.14, 4.34)
CIE-LCH	lch(19.24, 14.79, 162.92°)
OKLab	oklab(29.87% -0.0394 0.0112)
OKLCH	oklch(29.87% 0.041 164.2)
XYZ	xyz(1.9875, 2.8032, 2.4434)
Luminance	0.0280 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183428 #341824

analogous

#18341A #183428 #183234

triadic

#183428 #281834 #342818

tetradic

#183428 #1A1834 #341824 #323418

square

#183428 #1A1834 #341824 #323418

split-complementary

#183428 #341832 #341A18

monochromatic

#0A1510 #0A1510 #183428 #2B5E48 #3F8868

Accessibility & contrast

On white

13.46

#183428 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#183428 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183428

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183428	#FFFFFF	#000000	##FFFFFF
##183428	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333127

Deuteranopia (green-blind)

#2F2D29

Tritanopia (blue-blind)

#103431

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #183428;
/* rgb */ color: rgb(24, 52, 40);
/* oklch */ color: oklch(29.9% 0.041 164.2);

Tailwind

colors: {
  custom: {
    50: '#576b61',
    500: '#183428',
    950: '#000000',
  },
}

SCSS

$custom: #183428;
$custom-light: #576b61;
$custom-dark: #000000;

JSON

{
  "hex": "#183428",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 40
  },
  "hsl": {
    "h": 154.286,
    "s": 36.842,
    "l": 14.902
  },
  "oklch": {
    "l": 0.29872,
    "c": 0.04095,
    "h": 164.2
  },
  "luminance": 0.02803
}

Semantic roles & 50–950 ramp

primary

#183428

secondary

#6A3E51

accent

#5B8CCD

background

#F5F6F5

surface

#E9EBE9

border

#C5C6C5

text

#030605

muted

#787A79

Preview Lab

Preview with #183428

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

Preview Lab → · Contrast checker → · Palette generator →