#173B09#173B09

#173B09 is a dark, moderate green. Relative luminance 0.033; OKLCH L 31.4% C 0.087 H 138.6°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#173B09
RGB	rgb(23, 59, 9)
HSL	hsl(103, 74%, 13%)
HSV	hsv(103, 85%, 23%)
CMYK	cmyk(61%, 0%, 84.7%, 76.9%)
CIE-LAB	lab(21.32, -23.59, 25.35)
CIE-LCH	lch(21.32, 34.63, 132.94°)
OKLab	oklab(31.39% -0.0651 0.0575)
OKLCH	oklch(31.39% 0.087 138.6)
XYZ	xyz(1.9665, 3.3297, 0.7975)
Luminance	0.0333 (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

#173B09 #2D093B

analogous

#303B09 #173B09 #093B14

triadic

#173B09 #09173B #3B0917

tetradic

#173B09 #09303B #2D093B #3B1409

square

#173B09 #09303B #2D093B #3B1409

split-complementary

#173B09 #14093B #3B0930

monochromatic

#0A1B04 #0A1B04 #173B09 #2C7011 #40A519

Accessibility & contrast

On white

12.61

#173B09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#173B09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B09

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B09	#FFFFFF	#000000	##FFFFFF
##173B09	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3502

Deuteranopia (green-blind)

#38320E

Tritanopia (blue-blind)

#143931

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173b09;
/* rgb */ color: rgb(23, 59, 9);
/* oklch */ color: oklch(31.4% 0.087 138.6);

Tailwind

colors: {
  custom: {
    50: '#59714c',
    500: '#173b09',
    950: '#000000',
  },
}

SCSS

$custom: #173b09;
$custom-light: #59714c;
$custom-dark: #000000;

JSON

{
  "hex": "#173b09",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 9
  },
  "hsl": {
    "h": 103.2,
    "s": 73.529,
    "l": 13.333
  },
  "oklch": {
    "l": 0.31388,
    "c": 0.08682,
    "h": 138.6
  },
  "luminance": 0.0333
}

Semantic roles & 50–950 ramp

primary

#173B09

secondary

#622779

accent

#38F0BD

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #173B09

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

Preview Lab → · Contrast checker → · Palette generator →