What color is #150F5B?

#150F5B is a dark, moderate blue known as Space Colonisation. It belongs to the black family of colors.

What is the RGB value of Space Colonisation?

The RGB value is 21, 15, 91: 21 red, 15 green and 91 blue on a 0 to 255 scale.

What is the complementary color of Space Colonisation?

The complementary color is #555B0F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #150F5B?

White text. Black text has a contrast ratio of 1.25:1 and white text 16.78:1. WCAG asks for at least 4.5:1 for normal text.

Space Colonisation color: hex code #150F5B

#150F5B rgb(21, 15, 91)

Shades of black

Space Colonisation has the hex code #150F5B. It is a dark, moderate blue.

In the RGB color model it is made of 8.2% red, 5.9% green and 35.7% blue (21, 15, 91).

Its hue angle is 245°, with 72% saturation and 21% lightness. For print, the CMYK equivalent is 77% cyan, 84% magenta, 0% yellow and 64% black.

White text is the more readable choice on this background (contrast 16.78:1).

Space Colonisation (#150F5B) color codes

HEX	`#150F5B`
RGB	`rgb(21, 15, 91)`
RGB percent	`rgb(8.2%, 5.9%, 35.7%)`
HSL	`hsl(245, 72%, 21%)`
HSV / HSB	`hsv(245, 84%, 36%)`
CMYK	`cmyk(77%, 84%, 0%, 64%)`
CIE LAB	`lab(10.97, 29.8, -43.78)`
CIE LCH	`lch(10.97, 52.96, 304.24)`
CIE XYZ	`xyz(2.368, 1.256, 10.013)`
Decimal	`1380187`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Space Colonisation, 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 #150F5B	Ratio	AA	AAA	AA large
Sample text	1.25:1	Fail	Fail	Fail
Sample text	16.78:1	Pass	Pass	Pass

#150F5B as text on	Ratio	AA	AAA	AA large
Sample text	16.78:1	Pass	Pass	Pass
Sample text	1.25:1	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 #150F5B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #150f5b; }
.text { color: #150f5b; }
.border { border: 2px solid #150f5b; }
.transparent { background-color: rgb(21 15 91 / 50%); }
.gradient { background: linear-gradient(to right, #150f5b, #3b0f5b); }

Background

Text color

Border

Similar colors

See #150F5B on its hex code page

Questions

What color is #150F5B?: #150F5B is a dark, moderate blue known as Space Colonisation. It belongs to the black family of colors.
What is the RGB value of Space Colonisation?: The RGB value is 21, 15, 91: 21 red, 15 green and 91 blue on a 0 to 255 scale.
What is the complementary color of Space Colonisation?: The complementary color is #555B0F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #150F5B?: White text. Black text has a contrast ratio of 1.25:1 and white text 16.78:1. WCAG asks for at least 4.5:1 for normal text.