#173F49#173F49

#173F49 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.4% C 0.048 H 216.9°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#173F49
RGB	rgb(23, 63, 73)
HSL	hsl(192, 52%, 19%)
HSV	hsv(192, 68%, 29%)
CMYK	cmyk(68.5%, 13.7%, 0%, 71.4%)
CIE-LAB	lab(24.38, -10.39, -10.27)
CIE-LCH	lch(24.38, 14.61, 224.68°)
OKLab	oklab(34.4% -0.038 -0.0285)
OKLCH	oklch(34.4% 0.048 216.9)
XYZ	xyz(3.3330, 4.2179, 6.9405)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173F49 #492117

analogous

#17493A #173F49 #172649

triadic

#173F49 #49173F #3F4917

tetradic

#173F49 #3A1749 #492117 #264917

square

#173F49 #3A1749 #492117 #264917

split-complementary

#173F49 #491726 #493A17

monochromatic

#071417 #08171A #173F49 #266778 #348FA6

Accessibility & contrast

On white

11.39

#173F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#173F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173F49

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173F49	#FFFFFF	#000000	##FFFFFF
##173F49	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383D4A

Deuteranopia (green-blind)

#313849

Tritanopia (blue-blind)

#004342

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #173f49;
/* rgb */ color: rgb(23, 63, 73);
/* oklch */ color: oklch(34.4% 0.048 216.9);

Tailwind

colors: {
  custom: {
    50: '#5b747b',
    500: '#173f49',
    950: '#000000',
  },
}

SCSS

$custom: #173f49;
$custom-light: #5b747b;
$custom-dark: #000000;

JSON

{
  "hex": "#173f49",
  "rgb": {
    "r": 23,
    "g": 63,
    "b": 73
  },
  "hsl": {
    "h": 192,
    "s": 52.083,
    "l": 18.824
  },
  "oklch": {
    "l": 0.34398,
    "c": 0.04755,
    "h": 216.9
  },
  "luminance": 0.04218
}

Semantic roles & 50–950 ramp

primary

#173F49

secondary

#80493C

accent

#694CDC

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #173F49

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

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