What color is #51728B?

#51728B is a desaturated azure, closest to the named color Shipyard. It belongs to the blue family of colors.

What is the RGB value of #51728B?

The RGB value is 81, 114, 139: 81 red, 114 green and 139 blue on a 0 to 255 scale.

What is the complementary color of #51728B?

The complementary color is #8B6A51, found by rotating the hue 180° on the color wheel.

Is black or white text better on #51728B?

White text. Black text has a contrast ratio of 4.13:1 and white text 5.09:1. WCAG asks for at least 4.5:1 for normal text.

#51728B color

#51728B rgb(81, 114, 139)

Shades of blue

The hex color #51728B is a desaturated azure.

In the RGB color model it is made of 31.8% red, 44.7% green and 54.5% blue (81, 114, 139).

Its hue angle is 206°, with 26% saturation and 43% lightness. For print, the CMYK equivalent is 42% cyan, 18% magenta, 0% yellow and 45% black.

The closest named color is Shipyard (#4F6F85), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.09:1).

#51728B color codes

HEX	`#51728B`
RGB	`rgb(81, 114, 139)`
RGB percent	`rgb(31.8%, 44.7%, 54.5%)`
HSL	`hsl(206, 26%, 43%)`
HSV / HSB	`hsv(206, 42%, 55%)`
CMYK	`cmyk(42%, 18%, 0%, 45%)`
CIE LAB	`lab(46.51, -4.94, -17.41)`
CIE LCH	`lch(46.51, 18.1, 254.16)`
CIE XYZ	`xyz(14.069, 15.647, 26.7)`
Decimal	`5337739`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #51728B, 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 #51728B	Ratio	AA	AAA	AA large
Sample text	4.13:1	Fail	Fail	Pass
Sample text	5.09:1	Pass	Fail	Pass

#51728B as text on	Ratio	AA	AAA	AA large
Sample text	5.09:1	Pass	Fail	Pass
Sample text	4.13:1	Fail	Fail	Pass

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 #51728B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #51728b; }
.text { color: #51728b; }
.border { border: 2px solid #51728b; }
.transparent { background-color: rgb(81 114 139 / 50%); }
.gradient { background: linear-gradient(to right, #51728b, #51558b); }

Background

Text color

Border

Similar colors

Closest common color name: Slate Gray.

Questions

What color is #51728B?: #51728B is a desaturated azure, closest to the named color Shipyard. It belongs to the blue family of colors.
What is the RGB value of #51728B?: The RGB value is 81, 114, 139: 81 red, 114 green and 139 blue on a 0 to 255 scale.
What is the complementary color of #51728B?: The complementary color is #8B6A51, found by rotating the hue 180° on the color wheel.
Is black or white text better on #51728B?: White text. Black text has a contrast ratio of 4.13:1 and white text 5.09:1. WCAG asks for at least 4.5:1 for normal text.