#173B2A#173B2A

#173B2A is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.0% C 0.052 H 160.8°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#173B2A
RGB	rgb(23, 59, 42)
HSL	hsl(152, 44%, 16%)
HSV	hsv(152, 61%, 23%)
CMYK	cmyk(61%, 0%, 28.8%, 76.9%)
CIE-LAB	lab(21.86, -17.84, 6.68)
CIE-LCH	lch(21.86, 19.05, 159.47°)
OKLab	oklab(32.01% -0.0491 0.0171)
OKLCH	oklch(32.01% 0.052 160.8)
XYZ	xyz(2.3350, 3.4771, 2.7381)
Luminance	0.0348 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173B2A #3B1728

analogous

#173B18 #173B2A #173A3B

triadic

#173B2A #2A173B #3B2A17

tetradic

#173B2A #18173B #3B1728 #3A3B17

square

#173B2A #18173B #3B1728 #3A3B17

split-complementary

#173B2A #3B173A #3B1817

monochromatic

#091610 #091610 #173B2A #286749 #399369

Accessibility & contrast

On white

12.39

#173B2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#173B2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B2A

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B2A	#FFFFFF	#000000	##FFFFFF
##173B2A	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3729

Deuteranopia (green-blind)

#35332B

Tritanopia (blue-blind)

#0B3B36

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173b2a;
/* rgb */ color: rgb(23, 59, 42);
/* oklch */ color: oklch(32.0% 0.052 160.8);

Tailwind

colors: {
  custom: {
    50: '#577163',
    500: '#173b2a',
    950: '#000000',
  },
}

SCSS

$custom: #173b2a;
$custom-light: #577163;
$custom-dark: #000000;

JSON

{
  "hex": "#173b2a",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 42
  },
  "hsl": {
    "h": 151.667,
    "s": 43.902,
    "l": 16.078
  },
  "oklch": {
    "l": 0.3201,
    "c": 0.05201,
    "h": 160.8
  },
  "luminance": 0.03477
}

Semantic roles & 50–950 ramp

primary

#173B2A

secondary

#723C55

accent

#5490D4

background

#F5F6F5

surface

#E9ECEA

border

#C5C7C6

text

#030705

muted

#787A79

Preview Lab

Preview with #173B2A

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

Preview Lab → · Contrast checker → · Palette generator →