What color is #283C5E?

#283C5E 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 #283C5E?

The RGB value is 40, 60, 94: 40 red, 60 green and 94 blue on a 0 to 255 scale.

What is the complementary color of #283C5E?

The complementary color is #5E4A28, found by rotating the hue 180° on the color wheel.

Is black or white text better on #283C5E?

White text. Black text has a contrast ratio of 1.9:1 and white text 11.06:1. WCAG asks for at least 4.5:1 for normal text.

#283C5E color

#283C5E rgb(40, 60, 94)

Shades of blue

The hex color #283C5E is a dark, desaturated azure.

In the RGB color model it is made of 15.7% red, 23.5% green and 36.9% blue (40, 60, 94).

Its hue angle is 218°, with 40% saturation and 26% lightness. For print, the CMYK equivalent is 57% cyan, 36% magenta, 0% yellow and 63% black.

The closest named color is Nautilus (#273C5A), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.06:1).

#283C5E color codes

HEX	`#283C5E`
RGB	`rgb(40, 60, 94)`
RGB percent	`rgb(15.7%, 23.5%, 36.9%)`
HSL	`hsl(218, 40%, 26%)`
HSV / HSB	`hsv(218, 57%, 37%)`
CMYK	`cmyk(57%, 36%, 0%, 63%)`
CIE LAB	`lab(25.23, 3.3, -22.67)`
CIE LCH	`lch(25.23, 22.91, 278.29)`
CIE XYZ	`xyz(4.511, 4.491, 11.217)`
Decimal	`2636894`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #283C5E, 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 #283C5E	Ratio	AA	AAA	AA large
Sample text	1.9:1	Fail	Fail	Fail
Sample text	11.06:1	Pass	Pass	Pass

#283C5E as text on	Ratio	AA	AAA	AA large
Sample text	11.06:1	Pass	Pass	Pass
Sample text	1.9:1	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 #283C5E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #283c5e; }
.text { color: #283c5e; }
.border { border: 2px solid #283c5e; }
.transparent { background-color: rgb(40 60 94 / 50%); }
.gradient { background: linear-gradient(to right, #283c5e, #2f285e); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #283C5E?: #283C5E 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 #283C5E?: The RGB value is 40, 60, 94: 40 red, 60 green and 94 blue on a 0 to 255 scale.
What is the complementary color of #283C5E?: The complementary color is #5E4A28, found by rotating the hue 180° on the color wheel.
Is black or white text better on #283C5E?: White text. Black text has a contrast ratio of 1.9:1 and white text 11.06:1. WCAG asks for at least 4.5:1 for normal text.