#172A2A color

#172A2A rgb(23, 42, 42)
Shades of black

The hex color #172A2A is a very dark, desaturated cyan.

In the RGB color model it is made of 9% red, 16.5% green and 16.5% blue (23, 42, 42).

Its hue angle is 180°, with 29% saturation and 13% lightness. For print, the CMYK equivalent is 45% cyan, 0% magenta, 0% yellow and 84% black.

The closest named color is Swamp Thing (#162825), a difference of 2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 14.99:1).

#172A2A color codes

HEX#172A2A
RGBrgb(23, 42, 42)
RGB percentrgb(9%, 16.5%, 16.5%)
HSLhsl(180, 29%, 13%)
HSV / HSBhsv(180, 45%, 16%)
CMYKcmyk(45%, 0%, 0%, 84%)
CIE LABlab(15.51, -7.72, -2.46)
CIE LCHlch(15.51, 8.1, 197.65)
CIE XYZxyz(1.599, 2.005, 2.493)
Decimal1518122
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #172A2A, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #172A2ARatioAAAAAAA large
Sample text1.4:1FailFailFail
Sample text14.99:1PassPassPass
#172A2A as text onRatioAAAAAAA large
Sample text14.99:1PassPassPass
Sample text1.4:1FailFailFail

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #172A2A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #172a2a; }
.text { color: #172a2a; }
.border { border: 2px solid #172a2a; }
.transparent { background-color: rgb(23 42 42 / 50%); }
.gradient { background: linear-gradient(to right, #172a2a, #17212a); }
Background
Text color
Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #172A2A?
#172A2A is a very dark, desaturated cyan, closest to the named color Swamp Thing. It belongs to the black family of colors.
What is the RGB value of #172A2A?
The RGB value is 23, 42, 42: 23 red, 42 green and 42 blue on a 0 to 255 scale.
What is the complementary color of #172A2A?
The complementary color is #2A1717, found by rotating the hue 180° on the color wheel.
Is black or white text better on #172A2A?
White text. Black text has a contrast ratio of 1.4:1 and white text 14.99:1. WCAG asks for at least 4.5:1 for normal text.