What color is #284D8F?

#284D8F is a dark, moderate azure, closest to the named color Le Grand Bleu. It belongs to the blue family of colors.

What is the RGB value of #284D8F?

The RGB value is 40, 77, 143: 40 red, 77 green and 143 blue on a 0 to 255 scale.

What is the complementary color of #284D8F?

The complementary color is #8F6A28, found by rotating the hue 180° on the color wheel.

Is black or white text better on #284D8F?

White text. Black text has a contrast ratio of 2.55:1 and white text 8.24:1. WCAG asks for at least 4.5:1 for normal text.

#284D8F color

#284D8F rgb(40, 77, 143)

Shades of blue

The hex color #284D8F is a dark, moderate azure.

In the RGB color model it is made of 15.7% red, 30.2% green and 56.1% blue (40, 77, 143).

Its hue angle is 218°, with 56% saturation and 36% lightness. For print, the CMYK equivalent is 72% cyan, 46% magenta, 0% yellow and 44% black.

The closest named color is Le Grand Bleu (#244E94), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.24:1).

#284D8F color codes

HEX	`#284D8F`
RGB	`rgb(40, 77, 143)`
RGB percent	`rgb(15.7%, 30.2%, 56.1%)`
HSL	`hsl(218, 56%, 36%)`
HSV / HSB	`hsv(218, 72%, 56%)`
CMYK	`cmyk(72%, 46%, 0%, 44%)`
CIE LAB	`lab(33.44, 10.37, -40.46)`
CIE LCH	`lch(33.44, 41.76, 284.38)`
CIE XYZ	`xyz(8.485, 7.741, 27.028)`
Decimal	`2641295`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #284D8F, 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 #284D8F	Ratio	AA	AAA	AA large
Sample text	2.55:1	Fail	Fail	Fail
Sample text	8.24:1	Pass	Pass	Pass

#284D8F as text on	Ratio	AA	AAA	AA large
Sample text	8.24:1	Pass	Pass	Pass
Sample text	2.55:1	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 #284D8F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #284d8f; }
.text { color: #284d8f; }
.border { border: 2px solid #284d8f; }
.transparent { background-color: rgb(40 77 143 / 50%); }
.gradient { background: linear-gradient(to right, #284d8f, #36288f); }

Background

Text color

Border

Similar colors

Closest common color name: Cobalt Blue.

Questions

What color is #284D8F?: #284D8F is a dark, moderate azure, closest to the named color Le Grand Bleu. It belongs to the blue family of colors.
What is the RGB value of #284D8F?: The RGB value is 40, 77, 143: 40 red, 77 green and 143 blue on a 0 to 255 scale.
What is the complementary color of #284D8F?: The complementary color is #8F6A28, found by rotating the hue 180° on the color wheel.
Is black or white text better on #284D8F?: White text. Black text has a contrast ratio of 2.55:1 and white text 8.24:1. WCAG asks for at least 4.5:1 for normal text.