#173C3A#173C3A

#173C3A is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.9% C 0.042 H 190.5°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#173C3A
RGB	rgb(23, 60, 58)
HSL	hsl(177, 45%, 16%)
HSV	hsv(177, 62%, 24%)
CMYK	cmyk(61.7%, 0%, 3.3%, 76.5%)
CIE-LAB	lab(22.72, -13.72, -2.78)
CIE-LCH	lch(22.72, 14.00, 191.44°)
OKLab	oklab(32.87% -0.0416 -0.0077)
OKLCH	oklch(32.87% 0.042 190.5)
XYZ	xyz(2.7326, 3.7191, 4.5760)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C3A #3C1719

analogous

#173C28 #173C3A #172C3C

triadic

#173C3A #3A173C #3C3A17

tetradic

#173C3A #28173C #3C1719 #2C3C17

square

#173C3A #28173C #3C1719 #2C3C17

split-complementary

#173C3A #3C172C #3C2817

monochromatic

#081615 #081615 #173C3A #286865 #399490

Accessibility & contrast

On white

12.04

#173C3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#173C3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C3A

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C3A	#FFFFFF	#000000	##FFFFFF
##173C3A	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38393A

Deuteranopia (green-blind)

#32343A

Tritanopia (blue-blind)

#003E3B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173c3a;
/* rgb */ color: rgb(23, 60, 58);
/* oklch */ color: oklch(32.9% 0.042 190.5);

Tailwind

colors: {
  custom: {
    50: '#587270',
    500: '#173c3a',
    950: '#000000',
  },
}

SCSS

$custom: #173c3a;
$custom-light: #587270;
$custom-dark: #000000;

JSON

{
  "hex": "#173c3a",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 58
  },
  "hsl": {
    "h": 176.757,
    "s": 44.578,
    "l": 16.275
  },
  "oklch": {
    "l": 0.32869,
    "c": 0.04232,
    "h": 190.5
  },
  "luminance": 0.03719
}

Semantic roles & 50–950 ramp

primary

#173C3A

secondary

#733C3F

accent

#545AD4

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#040807

muted

#797B7A

Preview Lab

Preview with #173C3A

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

Preview Lab → · Contrast checker → · Palette generator →