#173C47#173C47

#173C47 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.5% C 0.046 H 220.3°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#173C47
RGB	rgb(23, 60, 71)
HSL	hsl(194, 51%, 18%)
HSV	hsv(194, 68%, 28%)
CMYK	cmyk(67.6%, 15.5%, 0%, 72.2%)
CIE-LAB	lab(23.23, -9.25, -10.70)
CIE-LCH	lch(23.23, 14.14, 229.16°)
OKLab	oklab(33.45% -0.0351 -0.0297)
OKLCH	oklch(33.45% 0.046 220.3)
XYZ	xyz(3.1061, 3.8685, 6.5430)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C47 #472217

analogous

#17473A #173C47 #172447

triadic

#173C47 #47173C #3C4717

tetradic

#173C47 #3A1747 #472217 #244717

square

#173C47 #3A1747 #472217 #244717

split-complementary

#173C47 #471724 #473A17

monochromatic

#071417 #081519 #173C47 #266375 #358AA3

Accessibility & contrast

On white

11.84

#173C47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#173C47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C47

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C47	#FFFFFF	#000000	##FFFFFF
##173C47	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353A48

Deuteranopia (green-blind)

#2E3547

Tritanopia (blue-blind)

#00403F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173c47;
/* rgb */ color: rgb(23, 60, 71);
/* oklch */ color: oklch(33.5% 0.046 220.3);

Tailwind

colors: {
  custom: {
    50: '#5a717a',
    500: '#173c47',
    950: '#000000',
  },
}

SCSS

$custom: #173c47;
$custom-light: #5a717a;
$custom-dark: #000000;

JSON

{
  "hex": "#173c47",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 71
  },
  "hsl": {
    "h": 193.75,
    "s": 51.064,
    "l": 18.431
  },
  "oklch": {
    "l": 0.3345,
    "c": 0.04601,
    "h": 220.3
  },
  "luminance": 0.03869
}

Semantic roles & 50–950 ramp

primary

#173C47

secondary

#7E4B3C

accent

#6E4DDB

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #173C47

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

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