What color is #181561?

#181561 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 #181561?

The RGB value is 24, 21, 97: 24 red, 21 green and 97 blue on a 0 to 255 scale.

What is the complementary color of #181561?

The complementary color is #5E6115, found by rotating the hue 180° on the color wheel.

Is black or white text better on #181561?

White text. Black text has a contrast ratio of 1.32:1 and white text 15.92:1. WCAG asks for at least 4.5:1 for normal text.

#181561 color

#181561 rgb(24, 21, 97)

Shades of blue

The hex color #181561 is a dark, moderate blue.

In the RGB color model it is made of 9.4% red, 8.2% green and 38% blue (24, 21, 97).

Its hue angle is 242°, with 64% saturation and 23% lightness. For print, the CMYK equivalent is 75% cyan, 78% magenta, 0% yellow and 62% black.

The closest named color is Space Colonisation (#150F5B), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 15.92:1).

#181561 color codes

HEX	`#181561`
RGB	`rgb(24, 21, 97)`
RGB percent	`rgb(9.4%, 8.2%, 38%)`
HSL	`hsl(242, 64%, 23%)`
HSV / HSB	`hsv(242, 78%, 38%)`
CMYK	`cmyk(75%, 78%, 0%, 62%)`
CIE LAB	`lab(13.19, 28.64, -44.12)`
CIE LCH	`lch(13.19, 52.6, 302.99)`
CIE XYZ	`xyz(2.802, 1.593, 11.467)`
Decimal	`1578337`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #181561, 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 #181561	Ratio	AA	AAA	AA large
Sample text	1.32:1	Fail	Fail	Fail
Sample text	15.92:1	Pass	Pass	Pass

#181561 as text on	Ratio	AA	AAA	AA large
Sample text	15.92:1	Pass	Pass	Pass
Sample text	1.32:1	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 #181561 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #181561; }
.text { color: #181561; }
.border { border: 2px solid #181561; }
.transparent { background-color: rgb(24 21 97 / 50%); }
.gradient { background: linear-gradient(to right, #181561, #3e1561); }

Background

Text color

Border

Similar colors

Questions

What color is #181561?: #181561 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 #181561?: The RGB value is 24, 21, 97: 24 red, 21 green and 97 blue on a 0 to 255 scale.
What is the complementary color of #181561?: The complementary color is #5E6115, found by rotating the hue 180° on the color wheel.
Is black or white text better on #181561?: White text. Black text has a contrast ratio of 1.32:1 and white text 15.92:1. WCAG asks for at least 4.5:1 for normal text.