What color is #170C89?

#170C89 is a dark, vivid blue, closest to the named color Ultramarine. It belongs to the blue family of colors.

What is the RGB value of #170C89?

The RGB value is 23, 12, 137: 23 red, 12 green and 137 blue on a 0 to 255 scale.

What is the complementary color of #170C89?

The complementary color is #7E890C, found by rotating the hue 180° on the color wheel.

Is black or white text better on #170C89?

White text. Black text has a contrast ratio of 1.45:1 and white text 14.48:1. WCAG asks for at least 4.5:1 for normal text.

#170C89 color

#170C89 rgb(23, 12, 137)

Shades of blue

The hex color #170C89 is a dark, vivid blue.

In the RGB color model it is made of 9% red, 4.7% green and 53.7% blue (23, 12, 137).

Its hue angle is 245°, with 84% saturation and 29% lightness. For print, the CMYK equivalent is 83% cyan, 91% magenta, 0% yellow and 46% black.

The closest named color is Ultramarine (#120A8F), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 14.48:1).

#170C89 color codes

HEX	`#170C89`
RGB	`rgb(23, 12, 137)`
RGB percent	`rgb(9%, 4.7%, 53.7%)`
HSL	`hsl(245, 84%, 29%)`
HSV / HSB	`hsv(245, 91%, 54%)`
CMYK	`cmyk(83%, 91%, 0%, 46%)`
CIE LAB	`lab(16.75, 46.16, -64.06)`
CIE LCH	`lch(16.75, 78.96, 305.77)`
CIE XYZ	`xyz(4.999, 2.251, 23.833)`
Decimal	`1510537`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #170C89, 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 #170C89	Ratio	AA	AAA	AA large
Sample text	1.45:1	Fail	Fail	Fail
Sample text	14.48:1	Pass	Pass	Pass

#170C89 as text on	Ratio	AA	AAA	AA large
Sample text	14.48:1	Pass	Pass	Pass
Sample text	1.45:1	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 #170C89 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #170c89; }
.text { color: #170c89; }
.border { border: 2px solid #170c89; }
.transparent { background-color: rgb(23 12 137 / 50%); }
.gradient { background: linear-gradient(to right, #170c89, #550c89); }

Background

Text color

Border

Similar colors

Questions

What color is #170C89?: #170C89 is a dark, vivid blue, closest to the named color Ultramarine. It belongs to the blue family of colors.
What is the RGB value of #170C89?: The RGB value is 23, 12, 137: 23 red, 12 green and 137 blue on a 0 to 255 scale.
What is the complementary color of #170C89?: The complementary color is #7E890C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #170C89?: White text. Black text has a contrast ratio of 1.45:1 and white text 14.48:1. WCAG asks for at least 4.5:1 for normal text.