#17283B color

#17283B rgb(23, 40, 59)
Shades of blue

The hex color #17283B is a very dark, desaturated azure.

In the RGB color model it is made of 9% red, 15.7% green and 23.1% blue (23, 40, 59).

Its hue angle is 212°, with 44% saturation and 16% lightness. For print, the CMYK equivalent is 61% cyan, 32% magenta, 0% yellow and 77% black.

The closest named color is The Count’s Black (#102030), a difference of 2.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 14.97:1).

#17283B color codes

HEX#17283B
RGBrgb(23, 40, 59)
RGB percentrgb(9%, 15.7%, 23.1%)
HSLhsl(212, 44%, 16%)
HSV / HSBhsv(212, 61%, 23%)
CMYKcmyk(61%, 32%, 0%, 77%)
CIE LABlab(15.57, -0.34, -14.34)
CIE LCHlch(15.57, 14.34, 268.65)
CIE XYZxyz(1.901, 2.015, 4.426)
Decimal1517627
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #17283B, 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 #17283BRatioAAAAAAA large
Sample text1.4:1FailFailFail
Sample text14.97:1PassPassPass
#17283B as text onRatioAAAAAAA large
Sample text14.97:1PassPassPass
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 #17283B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #17283b; }
.text { color: #17283b; }
.border { border: 2px solid #17283b; }
.transparent { background-color: rgb(23 40 59 / 50%); }
.gradient { background: linear-gradient(to right, #17283b, #18173b); }
Background
Text color
Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #17283B?
#17283B is a very dark, desaturated azure, closest to the named color The Count’s Black. It belongs to the blue family of colors.
What is the RGB value of #17283B?
The RGB value is 23, 40, 59: 23 red, 40 green and 59 blue on a 0 to 255 scale.
What is the complementary color of #17283B?
The complementary color is #3B2A17, found by rotating the hue 180° on the color wheel.
Is black or white text better on #17283B?
White text. Black text has a contrast ratio of 1.4:1 and white text 14.97:1. WCAG asks for at least 4.5:1 for normal text.