What color is #283A52?

#283A52 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 #283A52?

The RGB value is 40, 58, 82: 40 red, 58 green and 82 blue on a 0 to 255 scale.

What is the complementary color of #283A52?

The complementary color is #524028, found by rotating the hue 180° on the color wheel.

Is black or white text better on #283A52?

White text. Black text has a contrast ratio of 1.82:1 and white text 11.56:1. WCAG asks for at least 4.5:1 for normal text.

#283A52 color

#283A52 rgb(40, 58, 82)

Shades of blue

The hex color #283A52 is a dark, desaturated azure.

In the RGB color model it is made of 15.7% red, 22.7% green and 32.2% blue (40, 58, 82).

Its hue angle is 214°, with 34% saturation and 24% lightness. For print, the CMYK equivalent is 51% cyan, 29% magenta, 0% yellow and 68% black.

The closest named color is Nautilus (#273C5A), a difference of 2.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.56:1).

#283A52 color codes

HEX	`#283A52`
RGB	`rgb(40, 58, 82)`
RGB percent	`rgb(15.7%, 22.7%, 32.2%)`
HSL	`hsl(214, 34%, 24%)`
HSV / HSB	`hsv(214, 51%, 32%)`
CMYK	`cmyk(51%, 29%, 0%, 68%)`
CIE LAB	`lab(23.95, 0.4, -16.8)`
CIE LCH	`lch(23.95, 16.81, 271.35)`
CIE XYZ	`xyz(3.911, 4.086, 8.564)`
Decimal	`2636370`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #283A52, 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 #283A52	Ratio	AA	AAA	AA large
Sample text	1.82:1	Fail	Fail	Fail
Sample text	11.56:1	Pass	Pass	Pass

#283A52 as text on	Ratio	AA	AAA	AA large
Sample text	11.56:1	Pass	Pass	Pass
Sample text	1.82:1	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 #283A52 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #283a52; }
.text { color: #283a52; }
.border { border: 2px solid #283a52; }
.transparent { background-color: rgb(40 58 82 / 50%); }
.gradient { background: linear-gradient(to right, #283a52, #2b2852); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #283A52?: #283A52 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 #283A52?: The RGB value is 40, 58, 82: 40 red, 58 green and 82 blue on a 0 to 255 scale.
What is the complementary color of #283A52?: The complementary color is #524028, found by rotating the hue 180° on the color wheel.
Is black or white text better on #283A52?: White text. Black text has a contrast ratio of 1.82:1 and white text 11.56:1. WCAG asks for at least 4.5:1 for normal text.