What color is #1B145B?

#1B145B is a dark, moderate blue, closest to the named color Space Colonisation. It belongs to the blue family of colors.

What is the RGB value of #1B145B?

The RGB value is 27, 20, 91: 27 red, 20 green and 91 blue on a 0 to 255 scale.

What is the complementary color of #1B145B?

The complementary color is #545B14, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B145B?

White text. Black text has a contrast ratio of 1.3:1 and white text 16.18:1. WCAG asks for at least 4.5:1 for normal text.

#1B145B color

#1B145B rgb(27, 20, 91)

Shades of blue

The hex color #1B145B is a dark, moderate blue.

In the RGB color model it is made of 10.6% red, 7.8% green and 35.7% blue (27, 20, 91).

Its hue angle is 246°, with 64% saturation and 22% lightness. For print, the CMYK equivalent is 70% cyan, 78% magenta, 0% yellow and 64% black.

The closest named color is Space Colonisation (#150F5B), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.18:1).

#1B145B color codes

HEX	`#1B145B`
RGB	`rgb(27, 20, 91)`
RGB percent	`rgb(10.6%, 7.8%, 35.7%)`
HSL	`hsl(246, 64%, 22%)`
HSV / HSB	`hsv(246, 78%, 36%)`
CMYK	`cmyk(70%, 78%, 0%, 64%)`
CIE LAB	`lab(12.53, 27.47, -41.18)`
CIE LCH	`lch(12.53, 49.5, 303.7)`
CIE XYZ	`xyz(2.59, 1.488, 10.046)`
Decimal	`1774683`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B145B, 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 #1B145B	Ratio	AA	AAA	AA large
Sample text	1.3:1	Fail	Fail	Fail
Sample text	16.18:1	Pass	Pass	Pass

#1B145B as text on	Ratio	AA	AAA	AA large
Sample text	16.18:1	Pass	Pass	Pass
Sample text	1.3:1	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 #1B145B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b145b; }
.text { color: #1b145b; }
.border { border: 2px solid #1b145b; }
.transparent { background-color: rgb(27 20 91 / 50%); }
.gradient { background: linear-gradient(to right, #1b145b, #3e145b); }

Background

Text color

Border

Similar colors

Questions

What color is #1B145B?: #1B145B is a dark, moderate blue, closest to the named color Space Colonisation. It belongs to the blue family of colors.
What is the RGB value of #1B145B?: The RGB value is 27, 20, 91: 27 red, 20 green and 91 blue on a 0 to 255 scale.
What is the complementary color of #1B145B?: The complementary color is #545B14, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B145B?: White text. Black text has a contrast ratio of 1.3:1 and white text 16.18:1. WCAG asks for at least 4.5:1 for normal text.