#171C2F color

#171C2F rgb(23, 28, 47)
Shades of black

The hex color #171C2F is a very dark, desaturated blue.

In the RGB color model it is made of 9% red, 11% green and 18.4% blue (23, 28, 47).

Its hue angle is 228°, with 34% saturation and 14% lightness. For print, the CMYK equivalent is 51% cyan, 40% magenta, 0% yellow and 82% black.

The closest named color is Sombre Night (#161E34), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.89:1).

#171C2F color codes

HEX#171C2F
RGBrgb(23, 28, 47)
RGB percentrgb(9%, 11%, 18.4%)
HSLhsl(228, 34%, 14%)
HSV / HSBhsv(228, 51%, 18%)
CMYKcmyk(51%, 40%, 0%, 82%)
CIE LABlab(10.69, 3.97, -13.41)
CIE LCHlch(10.69, 13.99, 286.49)
CIE XYZxyz(1.282, 1.218, 2.856)
Decimal1514543
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #171C2F, 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 #171C2FRatioAAAAAAA large
Sample text1.24:1FailFailFail
Sample text16.89:1PassPassPass
#171C2F as text onRatioAAAAAAA large
Sample text16.89:1PassPassPass
Sample text1.24:1FailFailFail

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 #171C2F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #171c2f; }
.text { color: #171c2f; }
.border { border: 2px solid #171c2f; }
.transparent { background-color: rgb(23 28 47 / 50%); }
.gradient { background: linear-gradient(to right, #171c2f, #1e172f); }
Background
Text color
Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #171C2F?
#171C2F is a very dark, desaturated blue, closest to the named color Sombre Night. It belongs to the black family of colors.
What is the RGB value of #171C2F?
The RGB value is 23, 28, 47: 23 red, 28 green and 47 blue on a 0 to 255 scale.
What is the complementary color of #171C2F?
The complementary color is #2F2A17, found by rotating the hue 180° on the color wheel.
Is black or white text better on #171C2F?
White text. Black text has a contrast ratio of 1.24:1 and white text 16.89:1. WCAG asks for at least 4.5:1 for normal text.