#173A2A#173A2A

#173A2A is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.7% C 0.050 H 161.7°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#173A2A
RGB	rgb(23, 58, 42)
HSL	hsl(153, 43%, 16%)
HSV	hsv(153, 60%, 23%)
CMYK	cmyk(60.3%, 0%, 27.6%, 77.3%)
CIE-LAB	lab(21.49, -17.30, 6.16)
CIE-LCH	lch(21.49, 18.36, 160.40°)
OKLab	oklab(31.71% -0.0477 0.0158)
OKLCH	oklch(31.71% 0.05 161.7)
XYZ	xyz(2.2841, 3.3752, 2.7212)
Luminance	0.0338 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173A2A #3A1727

analogous

#173A18 #173A2A #17383A

triadic

#173A2A #2A173A #3A2A17

tetradic

#173A2A #18173A #3A1727 #383A17

square

#173A2A #18173A #3A1727 #383A17

split-complementary

#173A2A #3A1738 #3A1817

monochromatic

#091610 #091610 #173A2A #28664A #3A9269

Accessibility & contrast

On white

12.54

#173A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#173A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173A2A

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173A2A	#FFFFFF	#000000	##FFFFFF
##173A2A	1.00	12.54	1.68	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393629

Deuteranopia (green-blind)

#34322B

Tritanopia (blue-blind)

#0B3A36

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173a2a;
/* rgb */ color: rgb(23, 58, 42);
/* oklch */ color: oklch(31.7% 0.050 161.7);

Tailwind

colors: {
  custom: {
    50: '#577063',
    500: '#173a2a',
    950: '#000000',
  },
}

SCSS

$custom: #173a2a;
$custom-light: #577063;
$custom-dark: #000000;

JSON

{
  "hex": "#173a2a",
  "rgb": {
    "r": 23,
    "g": 58,
    "b": 42
  },
  "hsl": {
    "h": 152.571,
    "s": 43.21,
    "l": 15.882
  },
  "oklch": {
    "l": 0.31706,
    "c": 0.05028,
    "h": 161.7
  },
  "luminance": 0.03375
}

Semantic roles & 50–950 ramp

primary

#173A2A

secondary

#713C54

accent

#558ED3

background

#F5F6F5

surface

#E9ECEA

border

#C5C7C6

text

#030705

muted

#787A79

Preview Lab

Preview with #173A2A

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

Preview Lab → · Contrast checker → · Palette generator →