#173F44#173F44

#173F44 is a dark, muted teal. Relative luminance 0.042; OKLCH L 34.2% C 0.045 H 206.5°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#173F44
RGB	rgb(23, 63, 68)
HSL	hsl(187, 49%, 18%)
HSV	hsv(187, 66%, 27%)
CMYK	cmyk(66.2%, 7.4%, 0%, 73.3%)
CIE-LAB	lab(24.17, -12.16, -7.27)
CIE-LCH	lch(24.17, 14.17, 210.88°)
OKLab	oklab(34.17% -0.0404 -0.0201)
OKLCH	oklch(34.17% 0.045 206.5)
XYZ	xyz(3.1738, 4.1542, 6.1023)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173F44 #441C17

analogous

#174432 #173F44 #172844

triadic

#173F44 #44173F #3F4417

tetradic

#173F44 #321744 #441C17 #284417

square

#173F44 #321744 #441C17 #284417

split-complementary

#173F44 #441728 #443217

monochromatic

#081517 #081517 #173F44 #266972 #36949F

Accessibility & contrast

On white

11.47

#173F44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#173F44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173F44

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173F44	#FFFFFF	#000000	##FFFFFF
##173F44	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3C44

Deuteranopia (green-blind)

#333744

Tritanopia (blue-blind)

#004240

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173f44;
/* rgb */ color: rgb(23, 63, 68);
/* oklch */ color: oklch(34.2% 0.045 206.5);

Tailwind

colors: {
  custom: {
    50: '#5a7477',
    500: '#173f44',
    950: '#000000',
  },
}

SCSS

$custom: #173f44;
$custom-light: #5a7477;
$custom-dark: #000000;

JSON

{
  "hex": "#173f44",
  "rgb": {
    "r": 23,
    "g": 63,
    "b": 68
  },
  "hsl": {
    "h": 186.667,
    "s": 49.451,
    "l": 17.843
  },
  "oklch": {
    "l": 0.34166,
    "c": 0.04517,
    "h": 206.5
  },
  "luminance": 0.04155
}

Semantic roles & 50–950 ramp

primary

#173F44

secondary

#7B433C

accent

#5E4FD9

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #173F44

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

Preview Lab → · Contrast checker → · Palette generator →