#173F2F#173F2F

#173F2F is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.4% C 0.054 H 164.4°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#173F2F
RGB	rgb(23, 63, 47)
HSL	hsl(156, 47%, 17%)
HSV	hsv(156, 63%, 25%)
CMYK	cmyk(63.5%, 0%, 25.4%, 75.3%)
CIE-LAB	lab(23.48, -18.68, 5.65)
CIE-LCH	lch(23.48, 19.51, 163.18°)
OKLab	oklab(33.37% -0.0517 0.0145)
OKLCH	oklch(33.37% 0.054 164.4)
XYZ	xyz(2.6437, 3.9422, 3.3104)
Luminance	0.0394 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173F2F #3F1727

analogous

#173F1B #173F2F #173B3F

triadic

#173F2F #2F173F #3F2F17

tetradic

#173F2F #1B173F #3F1727 #3B3F17

square

#173F2F #1B173F #3F1727 #3B3F17

split-complementary

#173F2F #3F173B #3F1B17

monochromatic

#081611 #081611 #173F2F #276C50 #389972

Accessibility & contrast

On white

11.74

#173F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#173F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173F2F

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173F2F	#FFFFFF	#000000	##FFFFFF
##173F2F	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3A2E

Deuteranopia (green-blind)

#383630

Tritanopia (blue-blind)

#063F3B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173f2f;
/* rgb */ color: rgb(23, 63, 47);
/* oklch */ color: oklch(33.4% 0.054 164.4);

Tailwind

colors: {
  custom: {
    50: '#587467',
    500: '#173f2f',
    950: '#000000',
  },
}

SCSS

$custom: #173f2f;
$custom-light: #587467;
$custom-dark: #000000;

JSON

{
  "hex": "#173f2f",
  "rgb": {
    "r": 23,
    "g": 63,
    "b": 47
  },
  "hsl": {
    "h": 156,
    "s": 46.512,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33372,
    "c": 0.05373,
    "h": 164.4
  },
  "luminance": 0.03942
}

Semantic roles & 50–950 ramp

primary

#173F2F

secondary

#763C53

accent

#5287D6

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030806

muted

#787B7A

Preview Lab

Preview with #173F2F

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

Preview Lab → · Contrast checker → · Palette generator →