#173A47#173A47

#173A47 is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.9% C 0.046 H 225.3°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#173A47
RGB	rgb(23, 58, 71)
HSL	hsl(196, 51%, 18%)
HSV	hsv(196, 68%, 28%)
CMYK	cmyk(67.6%, 18.3%, 0%, 72.2%)
CIE-LAB	lab(22.52, -7.98, -11.78)
CIE-LCH	lch(22.52, 14.23, 235.89°)
OKLab	oklab(32.88% -0.0325 -0.0328)
OKLCH	oklch(32.88% 0.046 225.3)
XYZ	xyz(3.0033, 3.6629, 6.5088)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173A47 #472417

analogous

#17473C #173A47 #172247

triadic

#173A47 #47173A #3A4717

tetradic

#173A47 #3C1747 #472417 #224717

square

#173A47 #3C1747 #472417 #224717

split-complementary

#173A47 #471722 #473C17

monochromatic

#071317 #081419 #173A47 #266075 #3586A3

Accessibility & contrast

On white

12.12

#173A47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#173A47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173A47

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173A47	#FFFFFF	#000000	##FFFFFF
##173A47	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333948

Deuteranopia (green-blind)

#2C3447

Tritanopia (blue-blind)

#003E3E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173a47;
/* rgb */ color: rgb(23, 58, 71);
/* oklch */ color: oklch(32.9% 0.046 225.3);

Tailwind

colors: {
  custom: {
    50: '#5a707a',
    500: '#173a47',
    950: '#000000',
  },
}

SCSS

$custom: #173a47;
$custom-light: #5a707a;
$custom-dark: #000000;

JSON

{
  "hex": "#173a47",
  "rgb": {
    "r": 23,
    "g": 58,
    "b": 71
  },
  "hsl": {
    "h": 196.25,
    "s": 51.064,
    "l": 18.431
  },
  "oklch": {
    "l": 0.32884,
    "c": 0.0462,
    "h": 225.3
  },
  "luminance": 0.03663
}

Semantic roles & 50–950 ramp

primary

#173A47

secondary

#7E4E3C

accent

#744DDB

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #173A47

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

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