What color is #284F8F?

#284F8F 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 #284F8F?

The RGB value is 40, 79, 143: 40 red, 79 green and 143 blue on a 0 to 255 scale.

What is the complementary color of #284F8F?

The complementary color is #8F6828, found by rotating the hue 180° on the color wheel.

Is black or white text better on #284F8F?

White text. Black text has a contrast ratio of 2.61:1 and white text 8.06:1. WCAG asks for at least 4.5:1 for normal text.

#284F8F color

#284F8F rgb(40, 79, 143)

Shades of blue

The hex color #284F8F is a dark, moderate azure.

In the RGB color model it is made of 15.7% red, 31% green and 56.1% blue (40, 79, 143).

Its hue angle is 217°, with 56% saturation and 36% lightness. For print, the CMYK equivalent is 72% cyan, 45% magenta, 0% yellow and 44% black.

The closest named color is Le Grand Bleu (#244E94), a difference of 0.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.06:1).

#284F8F color codes

HEX	`#284F8F`
RGB	`rgb(40, 79, 143)`
RGB percent	`rgb(15.7%, 31%, 56.1%)`
HSL	`hsl(217, 56%, 36%)`
HSV / HSB	`hsv(217, 72%, 56%)`
CMYK	`cmyk(72%, 45%, 0%, 44%)`
CIE LAB	`lab(34.04, 9.03, -39.5)`
CIE LCH	`lch(34.04, 40.52, 282.88)`
CIE XYZ	`xyz(8.627, 8.025, 27.076)`
Decimal	`2641807`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #284F8F, 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 #284F8F	Ratio	AA	AAA	AA large
Sample text	2.61:1	Fail	Fail	Fail
Sample text	8.06:1	Pass	Pass	Pass

#284F8F as text on	Ratio	AA	AAA	AA large
Sample text	8.06:1	Pass	Pass	Pass
Sample text	2.61:1	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 #284F8F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #284f8f; }
.text { color: #284f8f; }
.border { border: 2px solid #284f8f; }
.transparent { background-color: rgb(40 79 143 / 50%); }
.gradient { background: linear-gradient(to right, #284f8f, #34288f); }

Background

Text color

Border

Similar colors

Closest common color name: Cobalt Blue.

Questions

What color is #284F8F?: #284F8F 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 #284F8F?: The RGB value is 40, 79, 143: 40 red, 79 green and 143 blue on a 0 to 255 scale.
What is the complementary color of #284F8F?: The complementary color is #8F6828, found by rotating the hue 180° on the color wheel.
Is black or white text better on #284F8F?: White text. Black text has a contrast ratio of 2.61:1 and white text 8.06:1. WCAG asks for at least 4.5:1 for normal text.