What color is #17538B?

#17538B is a dark, moderate azure, closest to the named color Blue Chip. It belongs to the blue family of colors.

What is the RGB value of #17538B?

The RGB value is 23, 83, 139: 23 red, 83 green and 139 blue on a 0 to 255 scale.

What is the complementary color of #17538B?

The complementary color is #8B4F17, found by rotating the hue 180° on the color wheel.

Is black or white text better on #17538B?

White text. Black text has a contrast ratio of 2.65:1 and white text 7.93:1. WCAG asks for at least 4.5:1 for normal text.

#17538B color

#17538B rgb(23, 83, 139)

Shades of blue

The hex color #17538B is a dark, moderate azure.

In the RGB color model it is made of 9% red, 32.5% green and 54.5% blue (23, 83, 139).

Its hue angle is 209°, with 72% saturation and 32% lightness. For print, the CMYK equivalent is 83% cyan, 40% magenta, 0% yellow and 45% black.

The closest named color is Blue Chip (#1D5699), a difference of 2.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 7.93:1).

#17538B color codes

HEX	`#17538B`
RGB	`rgb(23, 83, 139)`
RGB percent	`rgb(9%, 32.5%, 54.5%)`
HSL	`hsl(209, 72%, 32%)`
HSV / HSB	`hsv(209, 83%, 55%)`
CMYK	`cmyk(83%, 40%, 0%, 45%)`
CIE LAB	`lab(34.46, 2.57, -36.41)`
CIE LCH	`lch(34.46, 36.5, 274.04)`
CIE XYZ	`xyz(8.105, 8.232, 25.583)`
Decimal	`1528715`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #17538B, 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 #17538B	Ratio	AA	AAA	AA large
Sample text	2.65:1	Fail	Fail	Fail
Sample text	7.93:1	Pass	Pass	Pass

#17538B as text on	Ratio	AA	AAA	AA large
Sample text	7.93:1	Pass	Pass	Pass
Sample text	2.65:1	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 #17538B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #17538b; }
.text { color: #17538b; }
.border { border: 2px solid #17538b; }
.transparent { background-color: rgb(23 83 139 / 50%); }
.gradient { background: linear-gradient(to right, #17538b, #17198b); }

Background

Text color

Border

Similar colors

Closest common color name: Sapphire.

Questions

What color is #17538B?: #17538B is a dark, moderate azure, closest to the named color Blue Chip. It belongs to the blue family of colors.
What is the RGB value of #17538B?: The RGB value is 23, 83, 139: 23 red, 83 green and 139 blue on a 0 to 255 scale.
What is the complementary color of #17538B?: The complementary color is #8B4F17, found by rotating the hue 180° on the color wheel.
Is black or white text better on #17538B?: White text. Black text has a contrast ratio of 2.65:1 and white text 7.93:1. WCAG asks for at least 4.5:1 for normal text.