#172F36#172F36

#172F36 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.9% C 0.033 H 218.8°. Best body text is #FFFFFF at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#172F36
RGB	rgb(23, 47, 54)
HSL	hsl(194, 40%, 15%)
HSV	hsv(194, 57%, 21%)
CMYK	cmyk(57.4%, 13%, 0%, 78.8%)
CIE-LAB	lab(17.83, -6.99, -7.37)
CIE-LCH	lch(17.83, 10.16, 226.54°)
OKLab	oklab(28.89% -0.0254 -0.0204)
OKLCH	oklch(28.89% 0.033 218.8)
XYZ	xyz(2.0355, 2.4814, 3.8610)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F36 #361E17

analogous

#17362D #172F36 #172036

triadic

#172F36 #36172F #2F3617

tetradic

#172F36 #2D1736 #361E17 #203617

square

#172F36 #2D1736 #361E17 #203617

split-complementary

#172F36 #361720 #362D17

monochromatic

#091315 #091315 #172F36 #295461 #3C7A8C

Accessibility & contrast

On white

14.03

#172F36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#172F36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F36

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F36	#FFFFFF	#000000	##FFFFFF
##172F36	1.00	14.03	1.50	14.03
#FFFFFF	14.03	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2E36

Deuteranopia (green-blind)

#262A36

Tritanopia (blue-blind)

#073131

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172f36;
/* rgb */ color: rgb(23, 47, 54);
/* oklch */ color: oklch(28.9% 0.033 218.8);

Tailwind

colors: {
  custom: {
    50: '#57676d',
    500: '#172f36',
    950: '#000000',
  },
}

SCSS

$custom: #172f36;
$custom-light: #57676d;
$custom-dark: #000000;

JSON

{
  "hex": "#172f36",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 54
  },
  "hsl": {
    "h": 193.548,
    "s": 40.26,
    "l": 15.098
  },
  "oklch": {
    "l": 0.28892,
    "c": 0.03254,
    "h": 218.8
  },
  "luminance": 0.02482
}

Semantic roles & 50–950 ramp

primary

#172F36

secondary

#6C473D

accent

#7358D0

background

#F5F6F6

surface

#E9EBEB

border

#C5C6C6

text

#030607

muted

#787A7A

Preview Lab

Preview with #172F36

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

Preview Lab → · Contrast checker → · Palette generator →