#173744#173744

#173744 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.9% C 0.044 H 227.2°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#173744
RGB	rgb(23, 55, 68)
HSL	hsl(197, 49%, 18%)
HSV	hsv(197, 66%, 27%)
CMYK	cmyk(66.2%, 19.1%, 0%, 73.3%)
CIE-LAB	lab(21.33, -7.16, -11.61)
CIE-LCH	lch(21.33, 13.63, 238.34°)
OKLab	oklab(31.88% -0.0299 -0.0323)
OKLCH	oklch(31.88% 0.044 227.2)
XYZ	xyz(2.7625, 3.3316, 5.9652)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173744 #442417

analogous

#17443A #173744 #172044

triadic

#173744 #441737 #374417

tetradic

#173744 #3A1744 #442417 #204417

square

#173744 #3A1744 #442417 #204417

split-complementary

#173744 #441720 #443A17

monochromatic

#081217 #081217 #173744 #265C72 #36819F

Accessibility & contrast

On white

12.60

#173744 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#173744 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173744

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173744	#FFFFFF	#000000	##FFFFFF
##173744	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303645

Deuteranopia (green-blind)

#2A3144

Tritanopia (blue-blind)

#003B3B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173744;
/* rgb */ color: rgb(23, 55, 68);
/* oklch */ color: oklch(31.9% 0.044 227.2);

Tailwind

colors: {
  custom: {
    50: '#596d78',
    500: '#173744',
    950: '#000000',
  },
}

SCSS

$custom: #173744;
$custom-light: #596d78;
$custom-dark: #000000;

JSON

{
  "hex": "#173744",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 197.333,
    "s": 49.451,
    "l": 17.843
  },
  "oklch": {
    "l": 0.31883,
    "c": 0.04406,
    "h": 227.2
  },
  "luminance": 0.03332
}

Semantic roles & 50–950 ramp

primary

#173744

secondary

#7B4E3C

accent

#774FD9

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #173744

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

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