#173C48#173C48

#173C48 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.5% C 0.047 H 222.2°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#173C48
RGB	rgb(23, 60, 72)
HSL	hsl(195, 52%, 19%)
HSV	hsv(195, 68%, 28%)
CMYK	cmyk(68.1%, 16.7%, 0%, 71.8%)
CIE-LAB	lab(23.28, -8.88, -11.30)
CIE-LCH	lch(23.28, 14.37, 231.82°)
OKLab	oklab(33.5% -0.0346 -0.0314)
OKLCH	oklch(33.5% 0.047 222.2)
XYZ	xyz(3.1384, 3.8814, 6.7134)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C48 #482317

analogous

#17483B #173C48 #172348

triadic

#173C48 #48173C #3C4817

tetradic

#173C48 #3B1748 #482317 #234817

square

#173C48 #3B1748 #482317 #234817

split-complementary

#173C48 #481723 #483B17

monochromatic

#071317 #08151A #173C48 #266376 #3589A5

Accessibility & contrast

On white

11.82

#173C48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#173C48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C48

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C48	#FFFFFF	#000000	##FFFFFF
##173C48	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353A49

Deuteranopia (green-blind)

#2E3548

Tritanopia (blue-blind)

#004040

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173c48;
/* rgb */ color: rgb(23, 60, 72);
/* oklch */ color: oklch(33.5% 0.047 222.2);

Tailwind

colors: {
  custom: {
    50: '#5a717b',
    500: '#173c48',
    950: '#000000',
  },
}

SCSS

$custom: #173c48;
$custom-light: #5a717b;
$custom-dark: #000000;

JSON

{
  "hex": "#173c48",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 72
  },
  "hsl": {
    "h": 194.694,
    "s": 51.579,
    "l": 18.627
  },
  "oklch": {
    "l": 0.335,
    "c": 0.04679,
    "h": 222.2
  },
  "luminance": 0.03882
}

Semantic roles & 50–950 ramp

primary

#173C48

secondary

#7F4C3C

accent

#704DDB

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #173C48

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

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