What color is #283A54?

#283A54 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 #283A54?

The RGB value is 40, 58, 84: 40 red, 58 green and 84 blue on a 0 to 255 scale.

What is the complementary color of #283A54?

The complementary color is #544228, found by rotating the hue 180° on the color wheel.

Is black or white text better on #283A54?

White text. Black text has a contrast ratio of 1.82:1 and white text 11.52:1. WCAG asks for at least 4.5:1 for normal text.

#283A54 color

#283A54 rgb(40, 58, 84)

Shades of blue

The hex color #283A54 is a dark, desaturated azure.

In the RGB color model it is made of 15.7% red, 22.7% green and 32.9% blue (40, 58, 84).

Its hue angle is 215°, with 35% saturation and 24% lightness. For print, the CMYK equivalent is 52% cyan, 31% magenta, 0% yellow and 67% 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 11.52:1).

#283A54 color codes

HEX	`#283A54`
RGB	`rgb(40, 58, 84)`
RGB percent	`rgb(15.7%, 22.7%, 32.9%)`
HSL	`hsl(215, 35%, 24%)`
HSV / HSB	`hsv(215, 52%, 33%)`
CMYK	`cmyk(52%, 31%, 0%, 67%)`
CIE LAB	`lab(24.05, 1.09, -17.97)`
CIE LCH	`lch(24.05, 18, 273.48)`
CIE XYZ	`xyz(3.988, 4.117, 8.97)`
Decimal	`2636372`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #283A54, 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 #283A54	Ratio	AA	AAA	AA large
Sample text	1.82:1	Fail	Fail	Fail
Sample text	11.52:1	Pass	Pass	Pass

#283A54 as text on	Ratio	AA	AAA	AA large
Sample text	11.52:1	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 #283A54 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #283a54; }
.text { color: #283a54; }
.border { border: 2px solid #283a54; }
.transparent { background-color: rgb(40 58 84 / 50%); }
.gradient { background: linear-gradient(to right, #283a54, #2c2854); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #283A54?: #283A54 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 #283A54?: The RGB value is 40, 58, 84: 40 red, 58 green and 84 blue on a 0 to 255 scale.
What is the complementary color of #283A54?: The complementary color is #544228, found by rotating the hue 180° on the color wheel.
Is black or white text better on #283A54?: White text. Black text has a contrast ratio of 1.82:1 and white text 11.52:1. WCAG asks for at least 4.5:1 for normal text.