What color is #001155?

#001155 is a very dark, vivid blue known as Interstellar Blue. It belongs to the black family of colors.

What is the RGB value of Interstellar Blue?

The RGB value is 0, 17, 85: 0 red, 17 green and 85 blue on a 0 to 255 scale.

What is the complementary color of Interstellar Blue?

The complementary color is #554400, found by rotating the hue 180° on the color wheel.

Is black or white text better on #001155?

White text. Black text has a contrast ratio of 1.21:1 and white text 17.34:1. WCAG asks for at least 4.5:1 for normal text.

Interstellar Blue color: hex code #001155

#001155 rgb(0, 17, 85)

Shades of black

Interstellar Blue has the hex code #001155. It is a very dark, vivid blue.

In the RGB color model it is made of 0% red, 6.7% green and 33.3% blue (0, 17, 85).

Its hue angle is 228°, with 100% saturation and 17% lightness. For print, the CMYK equivalent is 100% cyan, 80% magenta, 0% yellow and 67% black.

White text is the more readable choice on this background (contrast 17.34:1).

Interstellar Blue (#001155) color codes

HEX	`#001155`
RGB	`rgb(0, 17, 85)`
RGB percent	`rgb(0%, 6.7%, 33.3%)`
HSL	`hsl(228, 100%, 17%)`
HSV / HSB	`hsv(228, 100%, 33%)`
CMYK	`cmyk(100%, 80%, 0%, 67%)`
CIE LAB	`lab(9.45, 24.53, -42.26)`
CIE LCH	`lch(9.45, 48.86, 300.14)`
CIE XYZ	`xyz(1.84, 1.057, 8.7)`
Decimal	`4437`
Short hex	`#015`

Color harmonies

Colors that go with Interstellar Blue, 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 #001155	Ratio	AA	AAA	AA large
Sample text	1.21:1	Fail	Fail	Fail
Sample text	17.34:1	Pass	Pass	Pass

#001155 as text on	Ratio	AA	AAA	AA large
Sample text	17.34:1	Pass	Pass	Pass
Sample text	1.21:1	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 #001155 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #001155; }
.text { color: #001155; }
.border { border: 2px solid #001155; }
.transparent { background-color: rgb(0 17 85 / 50%); }
.gradient { background: linear-gradient(to right, #001155, #190055); }

Background

Text color

Border

Similar colors

See #001155 on its hex code page

Questions

What color is #001155?: #001155 is a very dark, vivid blue known as Interstellar Blue. It belongs to the black family of colors.
What is the RGB value of Interstellar Blue?: The RGB value is 0, 17, 85: 0 red, 17 green and 85 blue on a 0 to 255 scale.
What is the complementary color of Interstellar Blue?: The complementary color is #554400, found by rotating the hue 180° on the color wheel.
Is black or white text better on #001155?: White text. Black text has a contrast ratio of 1.21:1 and white text 17.34:1. WCAG asks for at least 4.5:1 for normal text.