#173B34#173B34

#173B34 is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.3% C 0.044 H 178.9°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#173B34
RGB	rgb(23, 59, 52)
HSL	hsl(168, 44%, 16%)
HSV	hsv(168, 61%, 23%)
CMYK	cmyk(61%, 0%, 11.9%, 76.9%)
CIE-LAB	lab(22.15, -15.02, 0.41)
CIE-LCH	lch(22.15, 15.03, 178.42°)
OKLab	oklab(32.34% -0.0435 0.0009)
OKLCH	oklch(32.34% 0.044 178.9)
XYZ	xyz(2.5369, 3.5578, 3.8012)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173B34 #3B171E

analogous

#173B22 #173B34 #17303B

triadic

#173B34 #34173B #3B3417

tetradic

#173B34 #22173B #3B171E #303B17

square

#173B34 #22173B #3B171E #303B17

split-complementary

#173B34 #3B1730 #3B2217

monochromatic

#091613 #091613 #173B34 #28675B #399382

Accessibility & contrast

On white

12.27

#173B34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#173B34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B34

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B34	#FFFFFF	#000000	##FFFFFF
##173B34	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393734

Deuteranopia (green-blind)

#333335

Tritanopia (blue-blind)

#043C39

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #173b34;
/* rgb */ color: rgb(23, 59, 52);
/* oklch */ color: oklch(32.3% 0.044 178.9);

Tailwind

colors: {
  custom: {
    50: '#58716b',
    500: '#173b34',
    950: '#000000',
  },
}

SCSS

$custom: #173b34;
$custom-light: #58716b;
$custom-dark: #000000;

JSON

{
  "hex": "#173b34",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 52
  },
  "hsl": {
    "h": 168.333,
    "s": 43.902,
    "l": 16.078
  },
  "oklch": {
    "l": 0.32342,
    "c": 0.04351,
    "h": 178.9
  },
  "luminance": 0.03558
}

Semantic roles & 50–950 ramp

primary

#173B34

secondary

#723C47

accent

#546DD4

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030706

muted

#787A7A

Preview Lab

Preview with #173B34

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

Preview Lab → · Contrast checker → · Palette generator →