#172F3A#172F3A

#172F3A is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.1% C 0.036 H 229.4°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#172F3A
RGB	rgb(23, 47, 58)
HSL	hsl(199, 43%, 16%)
HSV	hsv(199, 60%, 23%)
CMYK	cmyk(60.3%, 19%, 0%, 77.3%)
CIE-LAB	lab(18.01, -5.56, -9.87)
CIE-LCH	lch(18.01, 11.33, 240.60°)
OKLab	oklab(29.09% -0.0235 -0.0274)
OKLCH	oklch(29.09% 0.036 229.4)
XYZ	xyz(2.1333, 2.5205, 4.3763)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F3A #3A2217

analogous

#173A33 #172F3A #171D3A

triadic

#172F3A #3A172F #2F3A17

tetradic

#172F3A #33173A #3A2217 #1D3A17

square

#172F3A #33173A #3A2217 #1D3A17

split-complementary

#172F3A #3A171D #3A3317

monochromatic

#091216 #091216 #172F3A #285366 #3A7692

Accessibility & contrast

On white

13.96

#172F3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#172F3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F3A

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F3A	#FFFFFF	#000000	##FFFFFF
##172F3A	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292E3B

Deuteranopia (green-blind)

#242A3A

Tritanopia (blue-blind)

#033233

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172f3a;
/* rgb */ color: rgb(23, 47, 58);
/* oklch */ color: oklch(29.1% 0.036 229.4);

Tailwind

colors: {
  custom: {
    50: '#576770',
    500: '#172f3a',
    950: '#000000',
  },
}

SCSS

$custom: #172f3a;
$custom-light: #576770;
$custom-dark: #000000;

JSON

{
  "hex": "#172f3a",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 58
  },
  "hsl": {
    "h": 198.857,
    "s": 43.21,
    "l": 15.882
  },
  "oklch": {
    "l": 0.29091,
    "c": 0.03609,
    "h": 229.4
  },
  "luminance": 0.02521
}

Semantic roles & 50–950 ramp

primary

#172F3A

secondary

#714D3C

accent

#7C55D3

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #172F3A

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

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