#173C3D#173C3D

#173C3D is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.0% C 0.042 H 197.7°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#173C3D
RGB	rgb(23, 60, 61)
HSL	hsl(182, 45%, 16%)
HSV	hsv(182, 62%, 24%)
CMYK	cmyk(62.3%, 1.6%, 0%, 76.1%)
CIE-LAB	lab(22.83, -12.74, -4.62)
CIE-LCH	lch(22.83, 13.55, 199.95°)
OKLab	oklab(32.99% -0.04 -0.0128)
OKLCH	oklch(32.99% 0.042 197.7)
XYZ	xyz(2.8112, 3.7505, 4.9898)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C3D #3D1817

analogous

#173D2B #173C3D #17293D

triadic

#173C3D #3D173C #3C3D17

tetradic

#173C3D #2B173D #3D1817 #293D17

square

#173C3D #2B173D #3D1817 #293D17

split-complementary

#173C3D #3D1729 #3D2B17

monochromatic

#081616 #081616 #173C3D #286869 #399396

Accessibility & contrast

On white

12.00

#173C3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#173C3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C3D

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C3D	#FFFFFF	#000000	##FFFFFF
##173C3D	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38393D

Deuteranopia (green-blind)

#32353D

Tritanopia (blue-blind)

#003E3C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173c3d;
/* rgb */ color: rgb(23, 60, 61);
/* oklch */ color: oklch(33.0% 0.042 197.7);

Tailwind

colors: {
  custom: {
    50: '#597272',
    500: '#173c3d',
    950: '#000000',
  },
}

SCSS

$custom: #173c3d;
$custom-light: #597272;
$custom-dark: #000000;

JSON

{
  "hex": "#173c3d",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 61
  },
  "hsl": {
    "h": 181.579,
    "s": 45.238,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32993,
    "c": 0.04203,
    "h": 197.7
  },
  "luminance": 0.03751
}

Semantic roles & 50–950 ramp

primary

#173C3D

secondary

#743E3C

accent

#5653D5

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#040708

muted

#797A7B

Preview Lab

Preview with #173C3D

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

Preview Lab → · Contrast checker → · Palette generator →