#183A28#183A28

#183A28 is a dark, muted green. Relative luminance 0.034; OKLCH L 31.7% C 0.052 H 158.3°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#183A28
RGB	rgb(24, 58, 40)
HSL	hsl(148, 41%, 16%)
HSV	hsv(148, 59%, 23%)
CMYK	cmyk(58.6%, 0%, 31%, 77.3%)
CIE-LAB	lab(21.48, -17.51, 7.49)
CIE-LCH	lch(21.48, 19.04, 156.85°)
OKLab	oklab(31.7% -0.048 0.0191)
OKLCH	oklch(31.7% 0.052 158.3)
XYZ	xyz(2.2726, 3.3733, 2.5384)
Luminance	0.0337 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183A28 #3A182A

analogous

#193A18 #183A28 #183A39

triadic

#183A28 #28183A #3A2818

tetradic

#183A28 #18193A #3A182A #3A3918

square

#183A28 #18193A #3A182A #3A3918

split-complementary

#183A28 #39183A #3A1819

monochromatic

#09160F #09160F #183A28 #2A6546 #3C9164

Accessibility & contrast

On white

12.54

#183A28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#183A28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A28

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183A28	#FFFFFF	#000000	##FFFFFF
##183A28	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393627

Deuteranopia (green-blind)

#343229

Tritanopia (blue-blind)

#0E3A35

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183a28;
/* rgb */ color: rgb(24, 58, 40);
/* oklch */ color: oklch(31.7% 0.052 158.3);

Tailwind

colors: {
  custom: {
    50: '#587061',
    500: '#183a28',
    950: '#000000',
  },
}

SCSS

$custom: #183a28;
$custom-light: #587061;
$custom-dark: #000000;

JSON

{
  "hex": "#183a28",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 40
  },
  "hsl": {
    "h": 148.235,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31695,
    "c": 0.0517,
    "h": 158.3
  },
  "luminance": 0.03374
}

Semantic roles & 50–950 ramp

primary

#183A28

secondary

#703E58

accent

#5798D1

background

#F5F6F5

surface

#E9ECEA

border

#C5C7C6

text

#030705

muted

#787A79

Preview Lab

Preview with #183A28

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

Preview Lab → · Contrast checker → · Palette generator →