What color is #515B6D?

#515B6D is a dark, grayish azure, closest to the named color Storm Rising. It belongs to the gray family of colors.

What is the RGB value of #515B6D?

The RGB value is 81, 91, 109: 81 red, 91 green and 109 blue on a 0 to 255 scale.

What is the complementary color of #515B6D?

The complementary color is #6D6351, found by rotating the hue 180° on the color wheel.

Is black or white text better on #515B6D?

White text. Black text has a contrast ratio of 3.07:1 and white text 6.85:1. WCAG asks for at least 4.5:1 for normal text.

#515B6D color

#515B6D rgb(81, 91, 109)

Shades of gray

The hex color #515B6D is a dark, grayish azure.

In the RGB color model it is made of 31.8% red, 35.7% green and 42.7% blue (81, 91, 109).

Its hue angle is 219°, with 15% saturation and 37% lightness. For print, the CMYK equivalent is 26% cyan, 17% magenta, 0% yellow and 57% black.

The closest named color is Storm Rising (#4D5A6B), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 6.85:1).

#515B6D color codes

HEX	`#515B6D`
RGB	`rgb(81, 91, 109)`
RGB percent	`rgb(31.8%, 35.7%, 42.7%)`
HSL	`hsl(219, 15%, 37%)`
HSV / HSB	`hsv(219, 26%, 43%)`
CMYK	`cmyk(26%, 17%, 0%, 57%)`
CIE LAB	`lab(38.44, 0.56, -11.55)`
CIE LCH	`lch(38.44, 11.56, 272.78)`
CIE XYZ	`xyz(9.894, 10.335, 15.939)`
Decimal	`5331821`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #515B6D, 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 #515B6D	Ratio	AA	AAA	AA large
Sample text	3.07:1	Fail	Fail	Pass
Sample text	6.85:1	Pass	Fail	Pass

#515B6D as text on	Ratio	AA	AAA	AA large
Sample text	6.85:1	Pass	Fail	Pass
Sample text	3.07:1	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 #515B6D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #515b6d; }
.text { color: #515b6d; }
.border { border: 2px solid #515b6d; }
.transparent { background-color: rgb(81 91 109 / 50%); }
.gradient { background: linear-gradient(to right, #515b6d, #55516d); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #515B6D?: #515B6D is a dark, grayish azure, closest to the named color Storm Rising. It belongs to the gray family of colors.
What is the RGB value of #515B6D?: The RGB value is 81, 91, 109: 81 red, 91 green and 109 blue on a 0 to 255 scale.
What is the complementary color of #515B6D?: The complementary color is #6D6351, found by rotating the hue 180° on the color wheel.
Is black or white text better on #515B6D?: White text. Black text has a contrast ratio of 3.07:1 and white text 6.85:1. WCAG asks for at least 4.5:1 for normal text.