#173A3A#173A3A

#173A3A is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.3% C 0.040 H 195.3°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#173A3A
RGB	rgb(23, 58, 58)
HSL	hsl(180, 43%, 16%)
HSV	hsv(180, 60%, 23%)
CMYK	cmyk(60.3%, 0%, 0%, 77.3%)
CIE-LAB	lab(21.99, -12.54, -3.86)
CIE-LCH	lch(21.99, 13.12, 197.10°)
OKLab	oklab(32.28% -0.0389 -0.0107)
OKLCH	oklch(32.28% 0.04 195.3)
XYZ	xyz(2.6298, 3.5135, 4.5418)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173A3A #3A1717

analogous

#173A28 #173A3A #17283A

triadic

#173A3A #3A173A #3A3A17

tetradic

#173A3A #28173A #3A1717 #283A17

square

#173A3A #28173A #3A1717 #283A17

split-complementary

#173A3A #3A1728 #3A2817

monochromatic

#091616 #091616 #173A3A #286666 #3A9292

Accessibility & contrast

On white

12.33

#173A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#173A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173A3A

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173A3A	#FFFFFF	#000000	##FFFFFF
##173A3A	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36373A

Deuteranopia (green-blind)

#30333A

Tritanopia (blue-blind)

#003C3A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #173a3a;
/* rgb */ color: rgb(23, 58, 58);
/* oklch */ color: oklch(32.3% 0.040 195.3);

Tailwind

colors: {
  custom: {
    50: '#587070',
    500: '#173a3a',
    950: '#000000',
  },
}

SCSS

$custom: #173a3a;
$custom-light: #587070;
$custom-dark: #000000;

JSON

{
  "hex": "#173a3a",
  "rgb": {
    "r": 23,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 180,
    "s": 43.21,
    "l": 15.882
  },
  "oklch": {
    "l": 0.32282,
    "c": 0.04033,
    "h": 195.3
  },
  "luminance": 0.03514
}

Semantic roles & 50–950 ramp

primary

#173A3A

secondary

#713C3C

accent

#5555D3

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #173A3A

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

Preview Lab → · Contrast checker → · Palette generator →