#172C3B color

#172C3B rgb(23, 44, 59)
Shades of gray

The hex color #172C3B is a very dark, desaturated azure.

In the RGB color model it is made of 9% red, 17.3% green and 23.1% blue (23, 44, 59).

Its hue angle is 205°, with 44% saturation and 16% lightness. For print, the CMYK equivalent is 61% cyan, 25% magenta, 0% yellow and 77% black.

The closest named color is Oceanic Noir (#172B36), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 14.38:1).

#172C3B color codes

HEX#172C3B
RGBrgb(23, 44, 59)
RGB percentrgb(9%, 17.3%, 23.1%)
HSLhsl(205, 44%, 16%)
HSV / HSBhsv(205, 61%, 23%)
CMYKcmyk(61%, 25%, 0%, 77%)
CIE LABlab(16.98, -3.15, -12.14)
CIE LCHlch(16.98, 12.54, 255.45)
CIE XYZxyz(2.043, 2.299, 4.473)
Decimal1518651
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #172C3B, 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 #172C3BRatioAAAAAAA large
Sample text1.46:1FailFailFail
Sample text14.38:1PassPassPass
#172C3B as text onRatioAAAAAAA large
Sample text14.38:1PassPassPass
Sample text1.46:1FailFailFail

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 #172C3B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #172c3b; }
.text { color: #172c3b; }
.border { border: 2px solid #172c3b; }
.transparent { background-color: rgb(23 44 59 / 50%); }
.gradient { background: linear-gradient(to right, #172c3b, #171a3b); }
Background
Text color
Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #172C3B?
#172C3B is a very dark, desaturated azure, closest to the named color Oceanic Noir. It belongs to the gray family of colors.
What is the RGB value of #172C3B?
The RGB value is 23, 44, 59: 23 red, 44 green and 59 blue on a 0 to 255 scale.
What is the complementary color of #172C3B?
The complementary color is #3B2617, found by rotating the hue 180° on the color wheel.
Is black or white text better on #172C3B?
White text. Black text has a contrast ratio of 1.46:1 and white text 14.38:1. WCAG asks for at least 4.5:1 for normal text.