#173B38#173B38

#173B38 is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.5% C 0.042 H 188.0°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#173B38
RGB	rgb(23, 59, 56)
HSL	hsl(175, 44%, 16%)
HSV	hsv(175, 61%, 23%)
CMYK	cmyk(61%, 0%, 5.1%, 76.9%)
CIE-LAB	lab(22.29, -13.78, -2.08)
CIE-LCH	lch(22.29, 13.93, 188.57°)
OKLab	oklab(32.5% -0.0413 -0.0058)
OKLCH	oklch(32.5% 0.042 188)
XYZ	xyz(2.6308, 3.5954, 4.2959)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173B38 #3B171A

analogous

#173B26 #173B38 #172C3B

triadic

#173B38 #38173B #3B3817

tetradic

#173B38 #26173B #3B171A #2C3B17

square

#173B38 #26173B #3B171A #2C3B17

split-complementary

#173B38 #3B172C #3B2617

monochromatic

#091615 #091615 #173B38 #286762 #39938C

Accessibility & contrast

On white

12.21

#173B38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#173B38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B38

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B38	#FFFFFF	#000000	##FFFFFF
##173B38	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383838

Deuteranopia (green-blind)

#323338

Tritanopia (blue-blind)

#013C3A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #173b38;
/* rgb */ color: rgb(23, 59, 56);
/* oklch */ color: oklch(32.5% 0.042 188.0);

Tailwind

colors: {
  custom: {
    50: '#58716e',
    500: '#173b38',
    950: '#000000',
  },
}

SCSS

$custom: #173b38;
$custom-light: #58716e;
$custom-dark: #000000;

JSON

{
  "hex": "#173b38",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 56
  },
  "hsl": {
    "h": 175,
    "s": 43.902,
    "l": 16.078
  },
  "oklch": {
    "l": 0.32495,
    "c": 0.04173,
    "h": 188
  },
  "luminance": 0.03596
}

Semantic roles & 50–950 ramp

primary

#173B38

secondary

#723C41

accent

#545FD4

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #173B38

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

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