#183B11#183B11

#183B11 is a dark, moderate green. Relative luminance 0.034; OKLCH L 31.5% C 0.079 H 140.5°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#183B11
RGB	rgb(24, 59, 17)
HSL	hsl(110, 55%, 15%)
HSV	hsv(110, 71%, 23%)
CMYK	cmyk(59.3%, 0%, 71.2%, 76.9%)
CIE-LAB	lab(21.44, -22.39, 21.69)
CIE-LCH	lch(21.44, 31.17, 135.91°)
OKLab	oklab(31.53% -0.0613 0.0506)
OKLCH	oklch(31.53% 0.079 140.5)
XYZ	xyz(2.0417, 3.3624, 1.0716)
Luminance	0.0336 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Dark Green

#033500

ΔE00 3.38

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B11 #34113B

analogous

#2D3B11 #183B11 #113B1F

triadic

#183B11 #11183B #3B1118

tetradic

#183B11 #112D3B #34113B #3B1F11

square

#183B11 #112D3B #34113B #3B1F11

split-complementary

#183B11 #1F113B #3B112D

monochromatic

#0A1807 #0A1807 #183B11 #2B6B1F #3F9A2C

Accessibility & contrast

On white

12.56

#183B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#183B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B11

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B11	#FFFFFF	#000000	##FFFFFF
##183B11	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D350C

Deuteranopia (green-blind)

#383214

Tritanopia (blue-blind)

#143932

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183b11;
/* rgb */ color: rgb(24, 59, 17);
/* oklch */ color: oklch(31.5% 0.079 140.5);

Tailwind

colors: {
  custom: {
    50: '#597151',
    500: '#183b11',
    950: '#000000',
  },
}

SCSS

$custom: #183b11;
$custom-light: #597151;
$custom-dark: #000000;

JSON

{
  "hex": "#183b11",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 17
  },
  "hsl": {
    "h": 110,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.31526,
    "c": 0.07949,
    "h": 140.5
  },
  "luminance": 0.03363
}

Semantic roles & 50–950 ramp

primary

#183B11

secondary

#6A3374

accent

#49DFC6

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040702

muted

#797A78

Preview Lab

Preview with #183B11

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

Preview Lab → · Contrast checker → · Palette generator →