#173F3E#173F3E

#173F3E is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.045 H 193.0°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#173F3E
RGB	rgb(23, 63, 62)
HSL	hsl(179, 47%, 17%)
HSV	hsv(179, 63%, 25%)
CMYK	cmyk(63.5%, 0%, 1.6%, 75.3%)
CIE-LAB	lab(23.95, -14.18, -3.62)
CIE-LCH	lch(23.95, 14.64, 194.33°)
OKLab	oklab(33.91% -0.0435 -0.01)
OKLCH	oklch(33.91% 0.045 193)
XYZ	xyz(3.0000, 4.0847, 5.1868)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173F3E #3F1718

analogous

#173F2A #173F3E #172C3F

triadic

#173F3E #3E173F #3F3E17

tetradic

#173F3E #2A173F #3F1718 #2C3F17

square

#173F3E #2A173F #3F1718 #2C3F17

split-complementary

#173F3E #3F172C #3F2A17

monochromatic

#081616 #081616 #173F3E #276C6A #389996

Accessibility & contrast

On white

11.56

#173F3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#173F3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173F3E

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173F3E	#FFFFFF	#000000	##FFFFFF
##173F3E	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3C3E

Deuteranopia (green-blind)

#34373E

Tritanopia (blue-blind)

#00413F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173f3e;
/* rgb */ color: rgb(23, 63, 62);
/* oklch */ color: oklch(33.9% 0.045 193.0);

Tailwind

colors: {
  custom: {
    50: '#597473',
    500: '#173f3e',
    950: '#000000',
  },
}

SCSS

$custom: #173f3e;
$custom-light: #597473;
$custom-dark: #000000;

JSON

{
  "hex": "#173f3e",
  "rgb": {
    "r": 23,
    "g": 63,
    "b": 62
  },
  "hsl": {
    "h": 178.5,
    "s": 46.512,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33909,
    "c": 0.04466,
    "h": 193
  },
  "luminance": 0.04085
}

Semantic roles & 50–950 ramp

primary

#173F3E

secondary

#763C3D

accent

#5255D6

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040808

muted

#797B7B

Preview Lab

Preview with #173F3E

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

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