#183B28#183B28

#183B28 is a dark, muted green. Relative luminance 0.035; OKLCH L 32.0% C 0.053 H 157.6°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#183B28
RGB	rgb(24, 59, 40)
HSL	hsl(147, 42%, 16%)
HSV	hsv(147, 59%, 23%)
CMYK	cmyk(59.3%, 0%, 32.2%, 76.9%)
CIE-LAB	lab(21.85, -18.05, 8.00)
CIE-LCH	lch(21.85, 19.75, 156.09°)
OKLab	oklab(32% -0.0494 0.0204)
OKLCH	oklch(32% 0.053 157.6)
XYZ	xyz(2.3235, 3.4751, 2.5554)
Luminance	0.0348 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B28 #3B182B

analogous

#1A3B18 #183B28 #183B3A

triadic

#183B28 #28183B #3B2818

tetradic

#183B28 #181A3B #3B182B #3B3A18

square

#183B28 #181A3B #3B182B #3B3A18

split-complementary

#183B28 #3A183B #3B181A

monochromatic

#09160F #09160F #183B28 #2A6745 #3B9263

Accessibility & contrast

On white

12.39

#183B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#183B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B28

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B28	#FFFFFF	#000000	##FFFFFF
##183B28	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3627

Deuteranopia (green-blind)

#353329

Tritanopia (blue-blind)

#0E3B36

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183b28;
/* rgb */ color: rgb(24, 59, 40);
/* oklch */ color: oklch(32.0% 0.053 157.6);

Tailwind

colors: {
  custom: {
    50: '#587162',
    500: '#183b28',
    950: '#000000',
  },
}

SCSS

$custom: #183b28;
$custom-light: #587162;
$custom-dark: #000000;

JSON

{
  "hex": "#183b28",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 40
  },
  "hsl": {
    "h": 147.429,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.31999,
    "c": 0.05348,
    "h": 157.6
  },
  "luminance": 0.03475
}

Semantic roles & 50–950 ramp

primary

#183B28

secondary

#713E5A

accent

#5699D2

background

#F5F6F5

surface

#E9ECEA

border

#C5C7C6

text

#030705

muted

#787A79

Preview Lab

Preview with #183B28

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

Preview Lab → · Contrast checker → · Palette generator →