#173A36#173A36

#173A36 is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.1% C 0.041 H 185.5°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#173A36
RGB	rgb(23, 58, 54)
HSL	hsl(173, 43%, 16%)
HSV	hsv(173, 60%, 23%)
CMYK	cmyk(60.3%, 0%, 6.9%, 77.3%)
CIE-LAB	lab(21.85, -13.82, -1.37)
CIE-LCH	lch(21.85, 13.89, 185.66°)
OKLab	oklab(32.12% -0.041 -0.0039)
OKLCH	oklch(32.12% 0.041 185.5)
XYZ	xyz(2.5320, 3.4744, 4.0265)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173A36 #3A171B

analogous

#173A24 #173A36 #172C3A

triadic

#173A36 #36173A #3A3617

tetradic

#173A36 #24173A #3A171B #2C3A17

square

#173A36 #24173A #3A171B #2C3A17

split-complementary

#173A36 #3A172C #3A2417

monochromatic

#091614 #091614 #173A36 #28665F #3A9288

Accessibility & contrast

On white

12.39

#173A36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#173A36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173A36

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173A36	#FFFFFF	#000000	##FFFFFF
##173A36	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373736

Deuteranopia (green-blind)

#313336

Tritanopia (blue-blind)

#033B39

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173a36;
/* rgb */ color: rgb(23, 58, 54);
/* oklch */ color: oklch(32.1% 0.041 185.5);

Tailwind

colors: {
  custom: {
    50: '#58706c',
    500: '#173a36',
    950: '#000000',
  },
}

SCSS

$custom: #173a36;
$custom-light: #58706c;
$custom-dark: #000000;

JSON

{
  "hex": "#173a36",
  "rgb": {
    "r": 23,
    "g": 58,
    "b": 54
  },
  "hsl": {
    "h": 173.143,
    "s": 43.21,
    "l": 15.882
  },
  "oklch": {
    "l": 0.32121,
    "c": 0.04122,
    "h": 185.5
  },
  "luminance": 0.03475
}

Semantic roles & 50–950 ramp

primary

#173A36

secondary

#713C42

accent

#5563D3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #173A36

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

Preview Lab → · Contrast checker → · Palette generator →