What color is #515681?

#515681 is a grayish blue, closest to the named color Dusk. It belongs to the blue family of colors.

What is the RGB value of #515681?

The RGB value is 81, 86, 129: 81 red, 86 green and 129 blue on a 0 to 255 scale.

What is the complementary color of #515681?

The complementary color is #817C51, found by rotating the hue 180° on the color wheel.

Is black or white text better on #515681?

White text. Black text has a contrast ratio of 3:1 and white text 7:1. WCAG asks for at least 4.5:1 for normal text.

#515681 color

#515681 rgb(81, 86, 129)

Shades of blue

The hex color #515681 is a grayish blue.

In the RGB color model it is made of 31.8% red, 33.7% green and 50.6% blue (81, 86, 129).

Its hue angle is 234°, with 23% saturation and 41% lightness. For print, the CMYK equivalent is 37% cyan, 33% magenta, 0% yellow and 49% black.

The closest named color is Dusk (#4E5481), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7:1).

#515681 color codes

HEX	`#515681`
RGB	`rgb(81, 86, 129)`
RGB percent	`rgb(31.8%, 33.7%, 50.6%)`
HSL	`hsl(234, 23%, 41%)`
HSV / HSB	`hsv(234, 37%, 51%)`
CMYK	`cmyk(37%, 33%, 0%, 49%)`
CIE LAB	`lab(37.82, 9.3, -24.79)`
CIE LCH	`lch(37.82, 26.48, 290.56)`
CIE XYZ	`xyz(10.682, 9.989, 22.13)`
Decimal	`5330561`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #515681, 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 #515681	Ratio	AA	AAA	AA large
Sample text	3:1	Fail	Fail	Fail
Sample text	7:1	Pass	Pass	Pass

#515681 as text on	Ratio	AA	AAA	AA large
Sample text	7:1	Pass	Pass	Pass
Sample text	3:1	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 #515681 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #515681; }
.text { color: #515681; }
.border { border: 2px solid #515681; }
.transparent { background-color: rgb(81 86 129 / 50%); }
.gradient { background: linear-gradient(to right, #515681, #645181); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #515681?: #515681 is a grayish blue, closest to the named color Dusk. It belongs to the blue family of colors.
What is the RGB value of #515681?: The RGB value is 81, 86, 129: 81 red, 86 green and 129 blue on a 0 to 255 scale.
What is the complementary color of #515681?: The complementary color is #817C51, found by rotating the hue 180° on the color wheel.
Is black or white text better on #515681?: White text. Black text has a contrast ratio of 3:1 and white text 7:1. WCAG asks for at least 4.5:1 for normal text.