#173642#173642

#173642 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.5% C 0.042 H 225.9°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#173642
RGB	rgb(23, 54, 66)
HSL	hsl(197, 48%, 17%)
HSV	hsv(197, 65%, 26%)
CMYK	cmyk(65.2%, 18.2%, 0%, 74.1%)
CIE-LAB	lab(20.88, -7.25, -10.94)
CIE-LCH	lch(20.88, 13.12, 236.48°)
OKLab	oklab(31.5% -0.0295 -0.0304)
OKLCH	oklch(31.5% 0.042 225.9)
XYZ	xyz(2.6555, 3.2136, 5.6335)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173642 #422317

analogous

#174239 #173642 #172142

triadic

#173642 #421736 #364217

tetradic

#173642 #391742 #422317 #214217

square

#173642 #391742 #422317 #214217

split-complementary

#173642 #421721 #423917

monochromatic

#081317 #081317 #173642 #275B6F #37809D

Accessibility & contrast

On white

12.78

#173642 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#173642 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173642

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173642	#FFFFFF	#000000	##FFFFFF
##173642	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3543

Deuteranopia (green-blind)

#293042

Tritanopia (blue-blind)

#003A3A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #173642;
/* rgb */ color: rgb(23, 54, 66);
/* oklch */ color: oklch(31.5% 0.042 225.9);

Tailwind

colors: {
  custom: {
    50: '#596d76',
    500: '#173642',
    950: '#000000',
  },
}

SCSS

$custom: #173642;
$custom-light: #596d76;
$custom-dark: #000000;

JSON

{
  "hex": "#173642",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 66
  },
  "hsl": {
    "h": 196.744,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.31497,
    "c": 0.0424,
    "h": 225.9
  },
  "luminance": 0.03214
}

Semantic roles & 50–950 ramp

primary

#173642

secondary

#794D3C

accent

#7650D8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #173642

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

Preview Lab → · Contrast checker → · Palette generator →