#173A37#173A37

#173A37 is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.2% C 0.041 H 187.9°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#173A37
RGB	rgb(23, 58, 55)
HSL	hsl(175, 43%, 16%)
HSV	hsv(175, 60%, 23%)
CMYK	cmyk(60.3%, 0%, 5.2%, 77.3%)
CIE-LAB	lab(21.89, -13.51, -1.99)
CIE-LCH	lch(21.89, 13.65, 188.40°)
OKLab	oklab(32.16% -0.0405 -0.0056)
OKLCH	oklch(32.16% 0.041 187.9)
XYZ	xyz(2.5557, 3.4839, 4.1515)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173A37 #3A171A

analogous

#173A25 #173A37 #172B3A

triadic

#173A37 #37173A #3A3717

tetradic

#173A37 #25173A #3A171A #2B3A17

square

#173A37 #25173A #3A171A #2B3A17

split-complementary

#173A37 #3A172B #3A2517

monochromatic

#091615 #091615 #173A37 #286661 #3A928A

Accessibility & contrast

On white

12.38

#173A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#173A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173A37

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173A37	#FFFFFF	#000000	##FFFFFF
##173A37	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373737

Deuteranopia (green-blind)

#313337

Tritanopia (blue-blind)

#023B39

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173a37;
/* rgb */ color: rgb(23, 58, 55);
/* oklch */ color: oklch(32.2% 0.041 187.9);

Tailwind

colors: {
  custom: {
    50: '#58706d',
    500: '#173a37',
    950: '#000000',
  },
}

SCSS

$custom: #173a37;
$custom-light: #58706d;
$custom-dark: #000000;

JSON

{
  "hex": "#173a37",
  "rgb": {
    "r": 23,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 174.857,
    "s": 43.21,
    "l": 15.882
  },
  "oklch": {
    "l": 0.3216,
    "c": 0.04088,
    "h": 187.9
  },
  "luminance": 0.03484
}

Semantic roles & 50–950 ramp

primary

#173A37

secondary

#713C41

accent

#5560D3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #173A37

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

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