#173641#173641

#173641 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.4% C 0.042 H 223.8°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#173641
RGB	rgb(23, 54, 65)
HSL	hsl(196, 48%, 17%)
HSV	hsv(196, 65%, 25%)
CMYK	cmyk(64.6%, 16.9%, 0%, 74.5%)
CIE-LAB	lab(20.84, -7.61, -10.33)
CIE-LCH	lch(20.84, 12.83, 233.62°)
OKLab	oklab(31.45% -0.03 -0.0287)
OKLCH	oklch(31.45% 0.042 223.8)
XYZ	xyz(2.6263, 3.2019, 5.4796)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173641 #412217

analogous

#174137 #173641 #172141

triadic

#173641 #411736 #364117

tetradic

#173641 #371741 #412217 #214117

square

#173641 #371741 #412217 #214117

split-complementary

#173641 #411721 #413717

monochromatic

#081317 #081317 #173641 #275C6E #37819B

Accessibility & contrast

On white

12.80

#173641 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#173641 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173641

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173641	#FFFFFF	#000000	##FFFFFF
##173641	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303542

Deuteranopia (green-blind)

#2A3041

Tritanopia (blue-blind)

#003939

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #173641;
/* rgb */ color: rgb(23, 54, 65);
/* oklch */ color: oklch(31.4% 0.042 223.8);

Tailwind

colors: {
  custom: {
    50: '#596d75',
    500: '#173641',
    950: '#000000',
  },
}

SCSS

$custom: #173641;
$custom-light: #596d75;
$custom-dark: #000000;

JSON

{
  "hex": "#173641",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 65
  },
  "hsl": {
    "h": 195.714,
    "s": 47.727,
    "l": 17.255
  },
  "oklch": {
    "l": 0.31447,
    "c": 0.04151,
    "h": 223.8
  },
  "luminance": 0.03202
}

Semantic roles & 50–950 ramp

primary

#173641

secondary

#784C3C

accent

#7450D7

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #173641

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

Preview Lab → · Contrast checker → · Palette generator →