#173F2B#173F2B

#173F2B is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.3% C 0.058 H 159.0°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#173F2B
RGB	rgb(23, 63, 43)
HSL	hsl(150, 47%, 17%)
HSV	hsv(150, 63%, 25%)
CMYK	cmyk(63.5%, 0%, 31.7%, 75.3%)
CIE-LAB	lab(23.38, -19.72, 8.13)
CIE-LCH	lch(23.38, 21.33, 157.59°)
OKLab	oklab(33.25% -0.054 0.0207)
OKLCH	oklch(33.25% 0.058 159)
XYZ	xyz(2.5667, 3.9114, 2.9047)
Luminance	0.0391 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173F2B #3F172B

analogous

#173F17 #173F2B #173F3F

triadic

#173F2B #2B173F #3F2B17

tetradic

#173F2B #17173F #3F172B #3F3F17

square

#173F2B #17173F #3F172B #3F3F17

split-complementary

#173F2B #3F173F #3F1717

monochromatic

#08160F #08160F #173F2B #276C4A #389968

Accessibility & contrast

On white

11.78

#173F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#173F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173F2B

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173F2B	#FFFFFF	#000000	##FFFFFF
##173F2B	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3A2A

Deuteranopia (green-blind)

#39362C

Tritanopia (blue-blind)

#093F3A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173f2b;
/* rgb */ color: rgb(23, 63, 43);
/* oklch */ color: oklch(33.3% 0.058 159.0);

Tailwind

colors: {
  custom: {
    50: '#587464',
    500: '#173f2b',
    950: '#000000',
  },
}

SCSS

$custom: #173f2b;
$custom-light: #587464;
$custom-dark: #000000;

JSON

{
  "hex": "#173f2b",
  "rgb": {
    "r": 23,
    "g": 63,
    "b": 43
  },
  "hsl": {
    "h": 150,
    "s": 46.512,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33254,
    "c": 0.05784,
    "h": 159
  },
  "luminance": 0.03912
}

Semantic roles & 50–950 ramp

primary

#173F2B

secondary

#763C59

accent

#5294D6

background

#F5F7F5

surface

#E9EDEA

border

#C5C8C6

text

#030805

muted

#787B79

Preview Lab

Preview with #173F2B

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

Preview Lab → · Contrast checker → · Palette generator →