#173D3D#173D3D

#173D3D is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.3% C 0.043 H 195.3°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#173D3D
RGB	rgb(23, 61, 61)
HSL	hsl(180, 45%, 16%)
HSV	hsv(180, 62%, 24%)
CMYK	cmyk(62.3%, 0%, 0%, 76.1%)
CIE-LAB	lab(23.19, -13.33, -4.09)
CIE-LCH	lch(23.19, 13.95, 197.03°)
OKLab	oklab(33.28% -0.0414 -0.0113)
OKLCH	oklch(33.28% 0.043 195.3)
XYZ	xyz(2.8640, 3.8563, 5.0074)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173D3D #3D1717

analogous

#173D2A #173D3D #172A3D

triadic

#173D3D #3D173D #3D3D17

tetradic

#173D3D #2A173D #3D1717 #2A3D17

square

#173D3D #2A173D #3D1717 #2A3D17

split-complementary

#173D3D #3D172A #3D2A17

monochromatic

#081616 #081616 #173D3D #286969 #399696

Accessibility & contrast

On white

11.86

#173D3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#173D3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173D3D

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173D3D	#FFFFFF	#000000	##FFFFFF
##173D3D	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393A3D

Deuteranopia (green-blind)

#33353D

Tritanopia (blue-blind)

#003F3D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173d3d;
/* rgb */ color: rgb(23, 61, 61);
/* oklch */ color: oklch(33.3% 0.043 195.3);

Tailwind

colors: {
  custom: {
    50: '#597272',
    500: '#173d3d',
    950: '#000000',
  },
}

SCSS

$custom: #173d3d;
$custom-light: #597272;
$custom-dark: #000000;

JSON

{
  "hex": "#173d3d",
  "rgb": {
    "r": 23,
    "g": 61,
    "b": 61
  },
  "hsl": {
    "h": 180,
    "s": 45.238,
    "l": 16.471
  },
  "oklch": {
    "l": 0.33285,
    "c": 0.0429,
    "h": 195.3
  },
  "luminance": 0.03857
}

Semantic roles & 50–950 ramp

primary

#173D3D

secondary

#743C3C

accent

#5353D5

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#040808

muted

#797B7B

Preview Lab

Preview with #173D3D

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

Preview Lab → · Contrast checker → · Palette generator →