What color is #172B4C?

#172B4C is a very dark, moderate azure, closest to the named color Midnight Ocean. It belongs to the blue family of colors.

What is the RGB value of #172B4C?

The RGB value is 23, 43, 76: 23 red, 43 green and 76 blue on a 0 to 255 scale.

What is the complementary color of #172B4C?

The complementary color is #4C3817, found by rotating the hue 180° on the color wheel.

Is black or white text better on #172B4C?

White text. Black text has a contrast ratio of 1.49:1 and white text 14.13:1. WCAG asks for at least 4.5:1 for normal text.

#172B4C color

#172B4C rgb(23, 43, 76)

Shades of blue

The hex color #172B4C is a very dark, moderate azure.

In the RGB color model it is made of 9% red, 16.9% green and 29.8% blue (23, 43, 76).

Its hue angle is 217°, with 54% saturation and 19% lightness. For print, the CMYK equivalent is 70% cyan, 43% magenta, 0% yellow and 70% black.

The closest named color is Midnight Ocean (#0F2D4D), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 14.13:1).

#172B4C color codes

HEX	`#172B4C`
RGB	`rgb(23, 43, 76)`
RGB percent	`rgb(9%, 16.9%, 29.8%)`
HSL	`hsl(217, 54%, 19%)`
HSV / HSB	`hsv(217, 70%, 30%)`
CMYK	`cmyk(70%, 43%, 0%, 70%)`
CIE LAB	`lab(17.61, 4.27, -22.83)`
CIE LCH	`lch(17.61, 23.23, 280.58)`
CIE XYZ	`xyz(2.521, 2.431, 7.173)`
Decimal	`1518412`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #172B4C, 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 #172B4C	Ratio	AA	AAA	AA large
Sample text	1.49:1	Fail	Fail	Fail
Sample text	14.13:1	Pass	Pass	Pass

#172B4C as text on	Ratio	AA	AAA	AA large
Sample text	14.13:1	Pass	Pass	Pass
Sample text	1.49:1	Fail	Fail	Fail

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 #172B4C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #172b4c; }
.text { color: #172b4c; }
.border { border: 2px solid #172b4c; }
.transparent { background-color: rgb(23 43 76 / 50%); }
.gradient { background: linear-gradient(to right, #172b4c, #1e174c); }

Background

Text color

Border

Similar colors

Questions

What color is #172B4C?: #172B4C is a very dark, moderate azure, closest to the named color Midnight Ocean. It belongs to the blue family of colors.
What is the RGB value of #172B4C?: The RGB value is 23, 43, 76: 23 red, 43 green and 76 blue on a 0 to 255 scale.
What is the complementary color of #172B4C?: The complementary color is #4C3817, found by rotating the hue 180° on the color wheel.
Is black or white text better on #172B4C?: White text. Black text has a contrast ratio of 1.49:1 and white text 14.13:1. WCAG asks for at least 4.5:1 for normal text.