What color is #243551?

#243551 is a dark, desaturated azure, closest to the named color Nautilus. It belongs to the blue family of colors.

What is the RGB value of #243551?

The RGB value is 36, 53, 81: 36 red, 53 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #243551?

The complementary color is #514024, found by rotating the hue 180° on the color wheel.

Is black or white text better on #243551?

White text. Black text has a contrast ratio of 1.7:1 and white text 12.33:1. WCAG asks for at least 4.5:1 for normal text.

#243551 color

#243551 rgb(36, 53, 81)

Shades of blue

The hex color #243551 is a dark, desaturated azure.

In the RGB color model it is made of 14.1% red, 20.8% green and 31.8% blue (36, 53, 81).

Its hue angle is 217°, with 38% saturation and 23% lightness. For print, the CMYK equivalent is 56% cyan, 35% magenta, 0% yellow and 68% black.

The closest named color is Nautilus (#273C5A), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.33:1).

#243551 color codes

HEX	`#243551`
RGB	`rgb(36, 53, 81)`
RGB percent	`rgb(14.1%, 20.8%, 31.8%)`
HSL	`hsl(217, 38%, 23%)`
HSV / HSB	`hsv(217, 56%, 32%)`
CMYK	`cmyk(56%, 35%, 0%, 68%)`
CIE LAB	`lab(22, 2.33, -19.21)`
CIE LCH	`lch(22, 19.35, 276.9)`
CIE XYZ	`xyz(3.485, 3.515, 8.278)`
Decimal	`2372945`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #243551, 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 #243551	Ratio	AA	AAA	AA large
Sample text	1.7:1	Fail	Fail	Fail
Sample text	12.33:1	Pass	Pass	Pass

#243551 as text on	Ratio	AA	AAA	AA large
Sample text	12.33:1	Pass	Pass	Pass
Sample text	1.7:1	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 #243551 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #243551; }
.text { color: #243551; }
.border { border: 2px solid #243551; }
.transparent { background-color: rgb(36 53 81 / 50%); }
.gradient { background: linear-gradient(to right, #243551, #2a2451); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #243551?: #243551 is a dark, desaturated azure, closest to the named color Nautilus. It belongs to the blue family of colors.
What is the RGB value of #243551?: The RGB value is 36, 53, 81: 36 red, 53 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #243551?: The complementary color is #514024, found by rotating the hue 180° on the color wheel.
Is black or white text better on #243551?: White text. Black text has a contrast ratio of 1.7:1 and white text 12.33:1. WCAG asks for at least 4.5:1 for normal text.