#173A33#173A33

#173A33 is a dark, muted teal. Relative luminance 0.034; OKLCH L 32.0% C 0.043 H 178.5°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#173A33
RGB	rgb(23, 58, 51)
HSL	hsl(168, 43%, 16%)
HSV	hsv(168, 60%, 23%)
CMYK	cmyk(60.3%, 0%, 12.1%, 77.3%)
CIE-LAB	lab(21.75, -14.75, 0.50)
CIE-LCH	lch(21.75, 14.76, 178.04°)
OKLab	oklab(32.01% -0.0427 0.0011)
OKLCH	oklch(32.01% 0.043 178.5)
XYZ	xyz(2.4637, 3.4471, 3.6668)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173A33 #3A171E

analogous

#173A21 #173A33 #172F3A

triadic

#173A33 #33173A #3A3317

tetradic

#173A33 #21173A #3A171E #2F3A17

square

#173A33 #21173A #3A171E #2F3A17

split-complementary

#173A33 #3A172F #3A2117

monochromatic

#091613 #091613 #173A33 #28665A #3A9280

Accessibility & contrast

On white

12.43

#173A33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#173A33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173A33

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173A33	#FFFFFF	#000000	##FFFFFF
##173A33	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383633

Deuteranopia (green-blind)

#323234

Tritanopia (blue-blind)

#053B38

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173a33;
/* rgb */ color: rgb(23, 58, 51);
/* oklch */ color: oklch(32.0% 0.043 178.5);

Tailwind

colors: {
  custom: {
    50: '#58706a',
    500: '#173a33',
    950: '#000000',
  },
}

SCSS

$custom: #173a33;
$custom-light: #58706a;
$custom-dark: #000000;

JSON

{
  "hex": "#173a33",
  "rgb": {
    "r": 23,
    "g": 58,
    "b": 51
  },
  "hsl": {
    "h": 168,
    "s": 43.21,
    "l": 15.882
  },
  "oklch": {
    "l": 0.32007,
    "c": 0.04268,
    "h": 178.5
  },
  "luminance": 0.03447
}

Semantic roles & 50–950 ramp

primary

#173A33

secondary

#713C47

accent

#556ED3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030706

muted

#787A7A

Preview Lab

Preview with #173A33

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

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