#173B29#173B29

#173B29 is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.0% C 0.053 H 159.4°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#173B29
RGB	rgb(23, 59, 41)
HSL	hsl(150, 44%, 16%)
HSV	hsv(150, 61%, 23%)
CMYK	cmyk(61%, 0%, 30.5%, 76.9%)
CIE-LAB	lab(21.84, -18.10, 7.31)
CIE-LCH	lch(21.84, 19.52, 158.00°)
OKLab	oklab(31.98% -0.0497 0.0186)
OKLCH	oklch(31.98% 0.053 159.4)
XYZ	xyz(2.3174, 3.4700, 2.6450)
Luminance	0.0347 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173B29 #3B1729

analogous

#173B17 #173B29 #173B3B

triadic

#173B29 #29173B #3B2917

tetradic

#173B29 #17173B #3B1729 #3B3B17

square

#173B29 #17173B #3B1729 #3B3B17

split-complementary

#173B29 #3B173B #3B1717

monochromatic

#09160F #09160F #173B29 #286748 #399366

Accessibility & contrast

On white

12.40

#173B29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#173B29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B29

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B29	#FFFFFF	#000000	##FFFFFF
##173B29	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3728

Deuteranopia (green-blind)

#35332A

Tritanopia (blue-blind)

#0B3B36

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173b29;
/* rgb */ color: rgb(23, 59, 41);
/* oklch */ color: oklch(32.0% 0.053 159.4);

Tailwind

colors: {
  custom: {
    50: '#577162',
    500: '#173b29',
    950: '#000000',
  },
}

SCSS

$custom: #173b29;
$custom-light: #577162;
$custom-dark: #000000;

JSON

{
  "hex": "#173b29",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 41
  },
  "hsl": {
    "h": 150,
    "s": 43.902,
    "l": 16.078
  },
  "oklch": {
    "l": 0.3198,
    "c": 0.05308,
    "h": 159.4
  },
  "luminance": 0.0347
}

Semantic roles & 50–950 ramp

primary

#173B29

secondary

#723C57

accent

#5494D4

background

#F5F6F5

surface

#E9ECEA

border

#C5C7C6

text

#030705

muted

#787A79

Preview Lab

Preview with #173B29

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

Preview Lab → · Contrast checker → · Palette generator →