What color is #515751?

#515751 is a gray, closest to the named color Crucible. It belongs to the gray family of colors.

What is the RGB value of #515751?

The RGB value is 81, 87, 81: 81 red, 87 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #515751?

The complementary color is #575157, found by rotating the hue 180° on the color wheel.

Is black or white text better on #515751?

White text. Black text has a contrast ratio of 2.83:1 and white text 7.42:1. WCAG asks for at least 4.5:1 for normal text.

#515751 color

#515751 rgb(81, 87, 81)

Shades of gray

The hex color #515751 is a gray.

In the RGB color model it is made of 31.8% red, 34.1% green and 31.8% blue (81, 87, 81).

Its hue angle is 120°, with 4% saturation and 33% lightness. For print, the CMYK equivalent is 7% cyan, 0% magenta, 7% yellow and 66% black.

The closest named color is Crucible (#555B59), a difference of 2.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 7.42:1).

#515751 color codes

HEX	`#515751`
RGB	`rgb(81, 87, 81)`
RGB percent	`rgb(31.8%, 34.1%, 31.8%)`
HSL	`hsl(120, 4%, 33%)`
HSV / HSB	`hsv(120, 7%, 34%)`
CMYK	`cmyk(7%, 0%, 7%, 66%)`
CIE LAB	`lab(36.29, -3.68, 2.67)`
CIE LCH	`lch(36.29, 4.54, 144.08)`
CIE XYZ	`xyz(8.286, 9.16, 9.114)`
Decimal	`5330769`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #515751, 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 #515751	Ratio	AA	AAA	AA large
Sample text	2.83:1	Fail	Fail	Fail
Sample text	7.42:1	Pass	Pass	Pass

#515751 as text on	Ratio	AA	AAA	AA large
Sample text	7.42:1	Pass	Pass	Pass
Sample text	2.83:1	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 #515751 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #515751; }
.text { color: #515751; }
.border { border: 2px solid #515751; }
.transparent { background-color: rgb(81 87 81 / 50%); }
.gradient { background: linear-gradient(to right, #515751, #515754); }

Background

Text color

Border

Similar colors

Questions

What color is #515751?: #515751 is a gray, closest to the named color Crucible. It belongs to the gray family of colors.
What is the RGB value of #515751?: The RGB value is 81, 87, 81: 81 red, 87 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #515751?: The complementary color is #575157, found by rotating the hue 180° on the color wheel.
Is black or white text better on #515751?: White text. Black text has a contrast ratio of 2.83:1 and white text 7.42:1. WCAG asks for at least 4.5:1 for normal text.