#173F0B#173F0B

#173F0B is a dark, moderate green. Relative luminance 0.038; OKLCH L 32.7% C 0.091 H 139.5°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#173F0B
RGB	rgb(23, 63, 11)
HSL	hsl(106, 70%, 15%)
HSV	hsv(106, 83%, 25%)
CMYK	cmyk(63.5%, 0%, 82.5%, 75.3%)
CIE-LAB	lab(22.87, -25.22, 26.16)
CIE-LCH	lch(22.87, 36.34, 133.95°)
OKLab	oklab(32.67% -0.0693 0.0592)
OKLCH	oklch(32.67% 0.091 139.5)
XYZ	xyz(2.1912, 3.7612, 0.9271)
Luminance	0.0376 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173F0B #330B3F

analogous

#313F0B #173F0B #0B3F19

triadic

#173F0B #0B173F #3F0B17

tetradic

#173F0B #0B313F #330B3F #3F190B

square

#173F0B #0B313F #330B3F #3F190B

split-complementary

#173F0B #190B3F #3F0B31

monochromatic

#0A1A05 #0A1A05 #173F0B #2A7314 #3DA71D

Accessibility & contrast

On white

11.98

#173F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#173F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173F0B

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173F0B	#FFFFFF	#000000	##FFFFFF
##173F0B	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413904

Deuteranopia (green-blind)

#3C3510

Tritanopia (blue-blind)

#133D35

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173f0b;
/* rgb */ color: rgb(23, 63, 11);
/* oklch */ color: oklch(32.7% 0.091 139.5);

Tailwind

colors: {
  custom: {
    50: '#5a744e',
    500: '#173f0b',
    950: '#000000',
  },
}

SCSS

$custom: #173f0b;
$custom-light: #5a744e;
$custom-dark: #000000;

JSON

{
  "hex": "#173f0b",
  "rgb": {
    "r": 23,
    "g": 63,
    "b": 11
  },
  "hsl": {
    "h": 106.154,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.32668,
    "c": 0.09116,
    "h": 139.5
  },
  "luminance": 0.03761
}

Semantic roles & 50–950 ramp

primary

#173F0B

secondary

#692A7C

accent

#3BEDC4

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#040801

muted

#797B77

Preview Lab

Preview with #173F0B

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

Preview Lab → · Contrast checker → · Palette generator →