#173E48#173E48

#173E48 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.047 H 217.3°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#173E48
RGB	rgb(23, 62, 72)
HSL	hsl(192, 52%, 19%)
HSV	hsv(192, 68%, 28%)
CMYK	cmyk(68.1%, 13.9%, 0%, 71.8%)
CIE-LAB	lab(23.98, -10.13, -10.21)
CIE-LCH	lch(23.98, 14.39, 225.23°)
OKLab	oklab(34.07% -0.0372 -0.0284)
OKLCH	oklch(34.07% 0.047 217.3)
XYZ	xyz(3.2452, 4.0950, 6.7490)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E48 #482117

analogous

#174839 #173E48 #172548

triadic

#173E48 #48173E #3E4817

tetradic

#173E48 #391748 #482117 #254817

square

#173E48 #391748 #482117 #254817

split-complementary

#173E48 #481725 #483917

monochromatic

#071417 #08161A #173E48 #266676 #358EA5

Accessibility & contrast

On white

11.54

#173E48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#173E48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E48

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E48	#FFFFFF	#000000	##FFFFFF
##173E48	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373C49

Deuteranopia (green-blind)

#303748

Tritanopia (blue-blind)

#004241

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173e48;
/* rgb */ color: rgb(23, 62, 72);
/* oklch */ color: oklch(34.1% 0.047 217.3);

Tailwind

colors: {
  custom: {
    50: '#5a737b',
    500: '#173e48',
    950: '#000000',
  },
}

SCSS

$custom: #173e48;
$custom-light: #5a737b;
$custom-dark: #000000;

JSON

{
  "hex": "#173e48",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 72
  },
  "hsl": {
    "h": 192.245,
    "s": 51.579,
    "l": 18.627
  },
  "oklch": {
    "l": 0.34066,
    "c": 0.04681,
    "h": 217.3
  },
  "luminance": 0.04095
}

Semantic roles & 50–950 ramp

primary

#173E48

secondary

#7F493C

accent

#6A4DDB

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #173E48

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

Preview Lab → · Contrast checker → · Palette generator →