What color is #515E64?

#515E64 is a dark, grayish azure, closest to the named color Lava Rock. It belongs to the gray family of colors.

What is the RGB value of #515E64?

The RGB value is 81, 94, 100: 81 red, 94 green and 100 blue on a 0 to 255 scale.

What is the complementary color of #515E64?

The complementary color is #645751, found by rotating the hue 180° on the color wheel.

Is black or white text better on #515E64?

White text. Black text has a contrast ratio of 3.13:1 and white text 6.7:1. WCAG asks for at least 4.5:1 for normal text.

#515E64 color

#515E64 rgb(81, 94, 100)

Shades of gray

The hex color #515E64 is a dark, grayish azure.

In the RGB color model it is made of 31.8% red, 36.9% green and 39.2% blue (81, 94, 100).

Its hue angle is 199°, with 10% saturation and 35% lightness. For print, the CMYK equivalent is 19% cyan, 6% magenta, 0% yellow and 61% black.

The closest named color is Lava Rock (#535E64), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 6.7:1).

#515E64 color codes

HEX	`#515E64`
RGB	`rgb(81, 94, 100)`
RGB percent	`rgb(31.8%, 36.9%, 39.2%)`
HSL	`hsl(199, 10%, 35%)`
HSV / HSB	`hsv(199, 19%, 39%)`
CMYK	`cmyk(19%, 6%, 0%, 61%)`
CIE LAB	`lab(39.03, -3.56, -5.11)`
CIE LCH	`lch(39.03, 6.23, 235.13)`
CIE XYZ	`xyz(9.696, 10.675, 13.604)`
Decimal	`5332580`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #515E64, 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 #515E64	Ratio	AA	AAA	AA large
Sample text	3.13:1	Fail	Fail	Pass
Sample text	6.7:1	Pass	Fail	Pass

#515E64 as text on	Ratio	AA	AAA	AA large
Sample text	6.7:1	Pass	Fail	Pass
Sample text	3.13:1	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 #515E64 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #515e64; }
.text { color: #515e64; }
.border { border: 2px solid #515e64; }
.transparent { background-color: rgb(81 94 100 / 50%); }
.gradient { background: linear-gradient(to right, #515e64, #515564); }

Background

Text color

Border

Similar colors

Closest common color name: Dim Gray.

Questions

What color is #515E64?: #515E64 is a dark, grayish azure, closest to the named color Lava Rock. It belongs to the gray family of colors.
What is the RGB value of #515E64?: The RGB value is 81, 94, 100: 81 red, 94 green and 100 blue on a 0 to 255 scale.
What is the complementary color of #515E64?: The complementary color is #645751, found by rotating the hue 180° on the color wheel.
Is black or white text better on #515E64?: White text. Black text has a contrast ratio of 3.13:1 and white text 6.7:1. WCAG asks for at least 4.5:1 for normal text.