#183B0B#183B0B

#183B0B is a dark, moderate green. Relative luminance 0.033; OKLCH L 31.5% C 0.085 H 138.6°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#183B0B
RGB	rgb(24, 59, 11)
HSL	hsl(104, 69%, 14%)
HSV	hsv(104, 81%, 23%)
CMYK	cmyk(59.3%, 0%, 81.4%, 76.9%)
CIE-LAB	lab(21.38, -23.06, 24.60)
CIE-LCH	lch(21.38, 33.72, 133.14°)
OKLab	oklab(31.46% -0.0636 0.056)
OKLCH	oklch(31.46% 0.085 138.6)
XYZ	xyz(2.0010, 3.3461, 0.8570)
Luminance	0.0335 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B0B #2E0B3B

analogous

#303B0B #183B0B #0B3B16

triadic

#183B0B #0B183B #3B0B18

tetradic

#183B0B #0B303B #2E0B3B #3B160B

square

#183B0B #0B303B #2E0B3B #3B160B

split-complementary

#183B0B #160B3B #3B0B30

monochromatic

#0A1A05 #0A1A05 #183B0B #2D6F15 #42A21E

Accessibility & contrast

On white

12.58

#183B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#183B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B0B

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B0B	#FFFFFF	#000000	##FFFFFF
##183B0B	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3505

Deuteranopia (green-blind)

#393210

Tritanopia (blue-blind)

#153931

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183b0b;
/* rgb */ color: rgb(24, 59, 11);
/* oklch */ color: oklch(31.5% 0.085 138.6);

Tailwind

colors: {
  custom: {
    50: '#59714d',
    500: '#183b0b',
    950: '#000000',
  },
}

SCSS

$custom: #183b0b;
$custom-light: #59714d;
$custom-dark: #000000;

JSON

{
  "hex": "#183b0b",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 11
  },
  "hsl": {
    "h": 103.75,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.31456,
    "c": 0.08474,
    "h": 138.6
  },
  "luminance": 0.03346
}

Semantic roles & 50–950 ramp

primary

#183B0B

secondary

#632A78

accent

#3CEBBC

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #183B0B

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

Preview Lab → · Contrast checker → · Palette generator →