#173547#173547

#173547 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.5% C 0.048 H 237.3°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#173547
RGB	rgb(23, 53, 71)
HSL	hsl(203, 51%, 18%)
HSV	hsv(203, 68%, 28%)
CMYK	cmyk(67.6%, 25.4%, 0%, 72.2%)
CIE-LAB	lab(20.76, -4.71, -14.50)
CIE-LCH	lch(20.76, 15.24, 251.99°)
OKLab	oklab(31.48% -0.026 -0.0406)
OKLCH	oklch(31.48% 0.048 237.3)
XYZ	xyz(2.7634, 3.1830, 6.4288)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173547 #472917

analogous

#174741 #173547 #171D47

triadic

#173547 #471735 #354717

tetradic

#173547 #411747 #472917 #1D4717

square

#173547 #411747 #472917 #1D4717

split-complementary

#173547 #47171D #474117

monochromatic

#071117 #081219 #173547 #265875 #357AA3

Accessibility & contrast

On white

12.83

#173547 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#173547 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173547

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173547	#FFFFFF	#000000	##FFFFFF
##173547	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3548

Deuteranopia (green-blind)

#263047

Tritanopia (blue-blind)

#003A3B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #173547;
/* rgb */ color: rgb(23, 53, 71);
/* oklch */ color: oklch(31.5% 0.048 237.3);

Tailwind

colors: {
  custom: {
    50: '#596c7a',
    500: '#173547',
    950: '#000000',
  },
}

SCSS

$custom: #173547;
$custom-light: #596c7a;
$custom-dark: #000000;

JSON

{
  "hex": "#173547",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 71
  },
  "hsl": {
    "h": 202.5,
    "s": 51.064,
    "l": 18.431
  },
  "oklch": {
    "l": 0.31482,
    "c": 0.04822,
    "h": 237.3
  },
  "luminance": 0.03183
}

Semantic roles & 50–950 ramp

primary

#173547

secondary

#7E553C

accent

#824DDB

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #173547

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

Preview Lab → · Contrast checker → · Palette generator →