What color is #313E51?

#313E51 is a dark, grayish azure, closest to the named color Dark & Stormy. It belongs to the blue family of colors.

What is the RGB value of #313E51?

The RGB value is 49, 62, 81: 49 red, 62 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #313E51?

The complementary color is #514431, found by rotating the hue 180° on the color wheel.

Is black or white text better on #313E51?

White text. Black text has a contrast ratio of 1.94:1 and white text 10.83:1. WCAG asks for at least 4.5:1 for normal text.

#313E51 color

#313E51 rgb(49, 62, 81)

Shades of blue

The hex color #313E51 is a dark, grayish azure.

In the RGB color model it is made of 19.2% red, 24.3% green and 31.8% blue (49, 62, 81).

Its hue angle is 216°, with 25% saturation and 25% lightness. For print, the CMYK equivalent is 40% cyan, 23% magenta, 0% yellow and 68% black.

The closest named color is Dark & Stormy (#353F51), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.83:1).

#313E51 color codes

HEX	`#313E51`
RGB	`rgb(49, 62, 81)`
RGB percent	`rgb(19.2%, 24.3%, 31.8%)`
HSL	`hsl(216, 25%, 25%)`
HSV / HSB	`hsv(216, 40%, 32%)`
CMYK	`cmyk(40%, 23%, 0%, 68%)`
CIE LAB	`lab(25.84, 0.19, -13.18)`
CIE LCH	`lch(25.84, 13.18, 270.84)`
CIE XYZ	`xyz(4.474, 4.692, 8.453)`
Decimal	`3227217`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #313E51, 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 #313E51	Ratio	AA	AAA	AA large
Sample text	1.94:1	Fail	Fail	Fail
Sample text	10.83:1	Pass	Pass	Pass

#313E51 as text on	Ratio	AA	AAA	AA large
Sample text	10.83:1	Pass	Pass	Pass
Sample text	1.94:1	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 #313E51 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #313e51; }
.text { color: #313e51; }
.border { border: 2px solid #313e51; }
.transparent { background-color: rgb(49 62 81 / 50%); }
.gradient { background: linear-gradient(to right, #313e51, #343151); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #313E51?: #313E51 is a dark, grayish azure, closest to the named color Dark & Stormy. It belongs to the blue family of colors.
What is the RGB value of #313E51?: The RGB value is 49, 62, 81: 49 red, 62 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #313E51?: The complementary color is #514431, found by rotating the hue 180° on the color wheel.
Is black or white text better on #313E51?: White text. Black text has a contrast ratio of 1.94:1 and white text 10.83:1. WCAG asks for at least 4.5:1 for normal text.