What color is #313B58?

#313B58 is a dark, desaturated blue, closest to the named color Mediaeval Blue. It belongs to the blue family of colors.

What is the RGB value of #313B58?

The RGB value is 49, 59, 88: 49 red, 59 green and 88 blue on a 0 to 255 scale.

What is the complementary color of #313B58?

The complementary color is #584E31, found by rotating the hue 180° on the color wheel.

Is black or white text better on #313B58?

White text. Black text has a contrast ratio of 1.9:1 and white text 11.07:1. WCAG asks for at least 4.5:1 for normal text.

#313B58 color

#313B58 rgb(49, 59, 88)

Shades of blue

The hex color #313B58 is a dark, desaturated blue.

In the RGB color model it is made of 19.2% red, 23.1% green and 34.5% blue (49, 59, 88).

Its hue angle is 225°, with 28% saturation and 27% lightness. For print, the CMYK equivalent is 44% cyan, 33% magenta, 0% yellow and 65% black.

The closest named color is Mediaeval Blue (#2E3858), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.07:1).

#313B58 color codes

HEX	`#313B58`
RGB	`rgb(49, 59, 88)`
RGB percent	`rgb(19.2%, 23.1%, 34.5%)`
HSL	`hsl(225, 28%, 27%)`
HSV / HSB	`hsv(225, 44%, 35%)`
CMYK	`cmyk(44%, 33%, 0%, 65%)`
CIE LAB	`lab(25.21, 4.45, -18.74)`
CIE LCH	`lch(25.21, 19.26, 283.36)`
CIE XYZ	`xyz(4.591, 4.485, 9.854)`
Decimal	`3226456`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #313B58, 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 #313B58	Ratio	AA	AAA	AA large
Sample text	1.9:1	Fail	Fail	Fail
Sample text	11.07:1	Pass	Pass	Pass

#313B58 as text on	Ratio	AA	AAA	AA large
Sample text	11.07:1	Pass	Pass	Pass
Sample text	1.9:1	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 #313B58 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #313b58; }
.text { color: #313b58; }
.border { border: 2px solid #313b58; }
.transparent { background-color: rgb(49 59 88 / 50%); }
.gradient { background: linear-gradient(to right, #313b58, #3b3158); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #313B58?: #313B58 is a dark, desaturated blue, closest to the named color Mediaeval Blue. It belongs to the blue family of colors.
What is the RGB value of #313B58?: The RGB value is 49, 59, 88: 49 red, 59 green and 88 blue on a 0 to 255 scale.
What is the complementary color of #313B58?: The complementary color is #584E31, found by rotating the hue 180° on the color wheel.
Is black or white text better on #313B58?: White text. Black text has a contrast ratio of 1.9:1 and white text 11.07:1. WCAG asks for at least 4.5:1 for normal text.