#173E39#173E39

#173E39 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.4% C 0.045 H 184.0°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#173E39
RGB	rgb(23, 62, 57)
HSL	hsl(172, 46%, 17%)
HSV	hsv(172, 63%, 24%)
CMYK	cmyk(62.9%, 0%, 8.1%, 75.7%)
CIE-LAB	lab(23.41, -15.20, -1.09)
CIE-LCH	lch(23.41, 15.24, 184.08°)
OKLab	oklab(33.42% -0.0448 -0.0032)
OKLCH	oklch(33.42% 0.045 184)
XYZ	xyz(2.8142, 3.9225, 4.4789)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E39 #3E171C

analogous

#173E26 #173E39 #17303E

triadic

#173E39 #39173E #3E3917

tetradic

#173E39 #26173E #3E171C #303E17

square

#173E39 #26173E #3E171C #303E17

split-complementary

#173E39 #3E1730 #3E2617

monochromatic

#081615 #081615 #173E39 #286B62 #38978B

Accessibility & contrast

On white

11.77

#173E39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#173E39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E39

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E39	#FFFFFF	#000000	##FFFFFF
##173E39	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3A39

Deuteranopia (green-blind)

#353639

Tritanopia (blue-blind)

#003F3C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173e39;
/* rgb */ color: rgb(23, 62, 57);
/* oklch */ color: oklch(33.4% 0.045 184.0);

Tailwind

colors: {
  custom: {
    50: '#59736f',
    500: '#173e39',
    950: '#000000',
  },
}

SCSS

$custom: #173e39;
$custom-light: #59736f;
$custom-dark: #000000;

JSON

{
  "hex": "#173e39",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 57
  },
  "hsl": {
    "h": 172.308,
    "s": 45.882,
    "l": 16.667
  },
  "oklch": {
    "l": 0.33419,
    "c": 0.04496,
    "h": 184
  },
  "luminance": 0.03923
}

Semantic roles & 50–950 ramp

primary

#173E39

secondary

#753C43

accent

#5263D6

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040807

muted

#797B7A

Preview Lab

Preview with #173E39

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

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