What color is #51739E?

#51739E is a desaturated azure, closest to the named color Song of the Sea. It belongs to the blue family of colors.

What is the RGB value of #51739E?

The RGB value is 81, 115, 158: 81 red, 115 green and 158 blue on a 0 to 255 scale.

What is the complementary color of #51739E?

The complementary color is #9E7C51, found by rotating the hue 180° on the color wheel.

Is black or white text better on #51739E?

White text. Black text has a contrast ratio of 4.3:1 and white text 4.89:1. WCAG asks for at least 4.5:1 for normal text.

#51739E color

#51739E rgb(81, 115, 158)

Shades of blue

The hex color #51739E is a desaturated azure.

In the RGB color model it is made of 31.8% red, 45.1% green and 62% blue (81, 115, 158).

Its hue angle is 214°, with 32% saturation and 47% lightness. For print, the CMYK equivalent is 49% cyan, 27% magenta, 0% yellow and 38% black.

The closest named color is Song of the Sea (#4A73A8), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 4.89:1).

#51739E color codes

HEX	`#51739E`
RGB	`rgb(81, 115, 158)`
RGB percent	`rgb(31.8%, 45.1%, 62%)`
HSL	`hsl(214, 32%, 47%)`
HSV / HSB	`hsv(214, 49%, 62%)`
CMYK	`cmyk(49%, 27%, 0%, 38%)`
CIE LAB	`lab(47.6, 0.18, -26.96)`
CIE LCH	`lch(47.6, 26.96, 270.39)`
CIE XYZ	`xyz(15.694, 16.478, 34.695)`
Decimal	`5338014`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #51739E, 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 #51739E	Ratio	AA	AAA	AA large
Sample text	4.3:1	Fail	Fail	Pass
Sample text	4.89:1	Pass	Fail	Pass

#51739E as text on	Ratio	AA	AAA	AA large
Sample text	4.89:1	Pass	Fail	Pass
Sample text	4.3:1	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 #51739E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #51739e; }
.text { color: #51739e; }
.border { border: 2px solid #51739e; }
.transparent { background-color: rgb(81 115 158 / 50%); }
.gradient { background: linear-gradient(to right, #51739e, #55519e); }

Background

Text color

Border

Similar colors

Closest common color name: Steel Blue.

Questions

What color is #51739E?: #51739E is a desaturated azure, closest to the named color Song of the Sea. It belongs to the blue family of colors.
What is the RGB value of #51739E?: The RGB value is 81, 115, 158: 81 red, 115 green and 158 blue on a 0 to 255 scale.
What is the complementary color of #51739E?: The complementary color is #9E7C51, found by rotating the hue 180° on the color wheel.
Is black or white text better on #51739E?: White text. Black text has a contrast ratio of 4.3:1 and white text 4.89:1. WCAG asks for at least 4.5:1 for normal text.