#173F37#173F37

#173F37 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.6% C 0.047 H 178.1°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#173F37
RGB	rgb(23, 63, 55)
HSL	hsl(168, 47%, 17%)
HSV	hsv(168, 63%, 25%)
CMYK	cmyk(63.5%, 0%, 12.7%, 75.3%)
CIE-LAB	lab(23.71, -16.39, 0.68)
CIE-LCH	lch(23.71, 16.40, 177.61°)
OKLab	oklab(33.64% -0.0473 0.0016)
OKLCH	oklch(33.64% 0.047 178.1)
XYZ	xyz(2.8201, 4.0127, 4.2396)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173F37 #3F171F

analogous

#173F23 #173F37 #17333F

triadic

#173F37 #37173F #3F3717

tetradic

#173F37 #23173F #3F171F #333F17

square

#173F37 #23173F #3F171F #333F17

split-complementary

#173F37 #3F1733 #3F2317

monochromatic

#081614 #081614 #173F37 #276C5E #389985

Accessibility & contrast

On white

11.65

#173F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#173F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173F37

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173F37	#FFFFFF	#000000	##FFFFFF
##173F37	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B37

Deuteranopia (green-blind)

#363738

Tritanopia (blue-blind)

#00403D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173f37;
/* rgb */ color: rgb(23, 63, 55);
/* oklch */ color: oklch(33.6% 0.047 178.1);

Tailwind

colors: {
  custom: {
    50: '#59746d',
    500: '#173f37',
    950: '#000000',
  },
}

SCSS

$custom: #173f37;
$custom-light: #59746d;
$custom-dark: #000000;

JSON

{
  "hex": "#173f37",
  "rgb": {
    "r": 23,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 168,
    "s": 46.512,
    "l": 16.863
  },
  "oklch": {
    "l": 0.3364,
    "c": 0.04731,
    "h": 178.1
  },
  "luminance": 0.04013
}

Semantic roles & 50–950 ramp

primary

#173F37

secondary

#763C48

accent

#526CD6

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#040807

muted

#797B7A

Preview Lab

Preview with #173F37

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

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