What color is #3B515A?

#3B515A is a dark, grayish azure, closest to the named color Nocturne. It belongs to the gray family of colors.

What is the RGB value of #3B515A?

The RGB value is 59, 81, 90: 59 red, 81 green and 90 blue on a 0 to 255 scale.

What is the complementary color of #3B515A?

The complementary color is #5A443B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3B515A?

White text. Black text has a contrast ratio of 2.51:1 and white text 8.36:1. WCAG asks for at least 4.5:1 for normal text.

#3B515A color

#3B515A rgb(59, 81, 90)

Shades of gray

The hex color #3B515A is a dark, grayish azure.

In the RGB color model it is made of 23.1% red, 31.8% green and 35.3% blue (59, 81, 90).

Its hue angle is 197°, with 21% saturation and 29% lightness. For print, the CMYK equivalent is 34% cyan, 10% magenta, 0% yellow and 65% black.

The closest named color is Nocturne (#344D58), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.36:1).

#3B515A color codes

HEX	`#3B515A`
RGB	`rgb(59, 81, 90)`
RGB percent	`rgb(23.1%, 31.8%, 35.3%)`
HSL	`hsl(197, 21%, 29%)`
HSV / HSB	`hsv(197, 34%, 35%)`
CMYK	`cmyk(34%, 10%, 0%, 65%)`
CIE LAB	`lab(33.03, -5.93, -7.99)`
CIE LCH	`lch(33.03, 9.95, 233.41)`
CIE XYZ	`xyz(6.591, 7.553, 10.781)`
Decimal	`3887450`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3B515A, 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 #3B515A	Ratio	AA	AAA	AA large
Sample text	2.51:1	Fail	Fail	Fail
Sample text	8.36:1	Pass	Pass	Pass

#3B515A as text on	Ratio	AA	AAA	AA large
Sample text	8.36:1	Pass	Pass	Pass
Sample text	2.51:1	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 #3B515A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3b515a; }
.text { color: #3b515a; }
.border { border: 2px solid #3b515a; }
.transparent { background-color: rgb(59 81 90 / 50%); }
.gradient { background: linear-gradient(to right, #3b515a, #3b415a); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #3B515A?: #3B515A is a dark, grayish azure, closest to the named color Nocturne. It belongs to the gray family of colors.
What is the RGB value of #3B515A?: The RGB value is 59, 81, 90: 59 red, 81 green and 90 blue on a 0 to 255 scale.
What is the complementary color of #3B515A?: The complementary color is #5A443B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3B515A?: White text. Black text has a contrast ratio of 2.51:1 and white text 8.36:1. WCAG asks for at least 4.5:1 for normal text.