What color is #515E75?

#515E75 is a grayish azure, closest to the named color Admiral Blue. It belongs to the blue family of colors.

What is the RGB value of #515E75?

The RGB value is 81, 94, 117: 81 red, 94 green and 117 blue on a 0 to 255 scale.

What is the complementary color of #515E75?

The complementary color is #756851, found by rotating the hue 180° on the color wheel.

Is black or white text better on #515E75?

White text. Black text has a contrast ratio of 3.21:1 and white text 6.55:1. WCAG asks for at least 4.5:1 for normal text.

#515E75 color

#515E75 rgb(81, 94, 117)

Shades of blue

The hex color #515E75 is a grayish azure.

In the RGB color model it is made of 31.8% red, 36.9% green and 45.9% blue (81, 94, 117).

Its hue angle is 218°, with 18% saturation and 39% lightness. For print, the CMYK equivalent is 31% cyan, 20% magenta, 0% yellow and 54% black.

The closest named color is Admiral Blue (#50647F), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.55:1).

#515E75 color codes

HEX	`#515E75`
RGB	`rgb(81, 94, 117)`
RGB percent	`rgb(31.8%, 36.9%, 45.9%)`
HSL	`hsl(218, 18%, 39%)`
HSV / HSB	`hsv(218, 31%, 46%)`
CMYK	`cmyk(31%, 20%, 0%, 54%)`
CIE LAB	`lab(39.65, 0.87, -14.63)`
CIE LCH	`lch(39.65, 14.65, 273.39)`
CIE XYZ	`xyz(10.606, 11.039, 18.398)`
Decimal	`5332597`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #515E75, 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 #515E75	Ratio	AA	AAA	AA large
Sample text	3.21:1	Fail	Fail	Pass
Sample text	6.55:1	Pass	Fail	Pass

#515E75 as text on	Ratio	AA	AAA	AA large
Sample text	6.55:1	Pass	Fail	Pass
Sample text	3.21:1	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 #515E75 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #515e75; }
.text { color: #515e75; }
.border { border: 2px solid #515e75; }
.transparent { background-color: rgb(81 94 117 / 50%); }
.gradient { background: linear-gradient(to right, #515e75, #565175); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #515E75?: #515E75 is a grayish azure, closest to the named color Admiral Blue. It belongs to the blue family of colors.
What is the RGB value of #515E75?: The RGB value is 81, 94, 117: 81 red, 94 green and 117 blue on a 0 to 255 scale.
What is the complementary color of #515E75?: The complementary color is #756851, found by rotating the hue 180° on the color wheel.
Is black or white text better on #515E75?: White text. Black text has a contrast ratio of 3.21:1 and white text 6.55:1. WCAG asks for at least 4.5:1 for normal text.