#173D47#173D47

#173D47 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.7% C 0.046 H 217.8°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#173D47
RGB	rgb(23, 61, 71)
HSL	hsl(193, 51%, 18%)
HSV	hsv(193, 68%, 28%)
CMYK	cmyk(67.6%, 14.1%, 0%, 72.2%)
CIE-LAB	lab(23.59, -9.87, -10.16)
CIE-LCH	lch(23.59, 14.16, 225.81°)
OKLab	oklab(33.73% -0.0364 -0.0282)
OKLCH	oklch(33.73% 0.046 217.8)
XYZ	xyz(3.1590, 3.9743, 6.5606)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173D47 #472117

analogous

#174739 #173D47 #172547

triadic

#173D47 #47173D #3D4717

tetradic

#173D47 #391747 #472117 #254717

square

#173D47 #391747 #472117 #254717

split-complementary

#173D47 #471725 #473917

monochromatic

#071417 #081519 #173D47 #266575 #358CA3

Accessibility & contrast

On white

11.70

#173D47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#173D47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173D47

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173D47	#FFFFFF	#000000	##FFFFFF
##173D47	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363B48

Deuteranopia (green-blind)

#2F3647

Tritanopia (blue-blind)

#004140

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173d47;
/* rgb */ color: rgb(23, 61, 71);
/* oklch */ color: oklch(33.7% 0.046 217.8);

Tailwind

colors: {
  custom: {
    50: '#5a727a',
    500: '#173d47',
    950: '#000000',
  },
}

SCSS

$custom: #173d47;
$custom-light: #5a727a;
$custom-dark: #000000;

JSON

{
  "hex": "#173d47",
  "rgb": {
    "r": 23,
    "g": 61,
    "b": 71
  },
  "hsl": {
    "h": 192.5,
    "s": 51.064,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33734,
    "c": 0.04606,
    "h": 217.8
  },
  "luminance": 0.03975
}

Semantic roles & 50–950 ramp

primary

#173D47

secondary

#7E4A3C

accent

#6B4DDB

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #173D47

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

Preview Lab → · Contrast checker → · Palette generator →