#173D45#173D45

#173D45 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.045 H 213.6°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#173D45
RGB	rgb(23, 61, 69)
HSL	hsl(190, 50%, 18%)
HSV	hsv(190, 67%, 27%)
CMYK	cmyk(66.7%, 11.6%, 0%, 72.9%)
CIE-LAB	lab(23.50, -10.59, -8.95)
CIE-LCH	lch(23.50, 13.87, 220.22°)
OKLab	oklab(33.64% -0.0373 -0.0248)
OKLCH	oklch(33.64% 0.045 213.6)
XYZ	xyz(3.0958, 3.9490, 6.2282)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173D45 #451F17

analogous

#174536 #173D45 #172645

triadic

#173D45 #45173D #3D4517

tetradic

#173D45 #361745 #451F17 #264517

square

#173D45 #361745 #451F17 #264517

split-complementary

#173D45 #451726 #453617

monochromatic

#081417 #081417 #173D45 #266673 #368EA1

Accessibility & contrast

On white

11.73

#173D45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#173D45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173D45

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173D45	#FFFFFF	#000000	##FFFFFF
##173D45	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373B45

Deuteranopia (green-blind)

#303645

Tritanopia (blue-blind)

#00403F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173d45;
/* rgb */ color: rgb(23, 61, 69);
/* oklch */ color: oklch(33.6% 0.045 213.6);

Tailwind

colors: {
  custom: {
    50: '#5a7278',
    500: '#173d45',
    950: '#000000',
  },
}

SCSS

$custom: #173d45;
$custom-light: #5a7278;
$custom-dark: #000000;

JSON

{
  "hex": "#173d45",
  "rgb": {
    "r": 23,
    "g": 61,
    "b": 69
  },
  "hsl": {
    "h": 190.435,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.33639,
    "c": 0.04485,
    "h": 213.6
  },
  "luminance": 0.03949
}

Semantic roles & 50–950 ramp

primary

#173D45

secondary

#7C473C

accent

#664EDA

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #173D45

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

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