What color is #313F59?

#313F59 is a dark, desaturated azure, closest to the named color Pi. It belongs to the blue family of colors.

What is the RGB value of #313F59?

The RGB value is 49, 63, 89: 49 red, 63 green and 89 blue on a 0 to 255 scale.

What is the complementary color of #313F59?

The complementary color is #594B31, found by rotating the hue 180° on the color wheel.

Is black or white text better on #313F59?

White text. Black text has a contrast ratio of 1.99:1 and white text 10.57:1. WCAG asks for at least 4.5:1 for normal text.

#313F59 color

#313F59 rgb(49, 63, 89)

Shades of blue

The hex color #313F59 is a dark, desaturated azure.

In the RGB color model it is made of 19.2% red, 24.7% green and 34.9% blue (49, 63, 89).

Its hue angle is 219°, with 29% saturation and 27% lightness. For print, the CMYK equivalent is 45% cyan, 29% magenta, 0% yellow and 65% black.

The closest named color is Pi (#314159), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.57:1).

#313F59 color codes

HEX	`#313F59`
RGB	`rgb(49, 63, 89)`
RGB percent	`rgb(19.2%, 24.7%, 34.9%)`
HSL	`hsl(219, 29%, 27%)`
HSV / HSB	`hsv(219, 45%, 35%)`
CMYK	`cmyk(45%, 29%, 0%, 65%)`
CIE LAB	`lab(26.53, 2.09, -17.34)`
CIE LCH	`lch(26.53, 17.47, 276.87)`
CIE XYZ	`xyz(4.847, 4.929, 10.145)`
Decimal	`3227481`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #313F59, 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 #313F59	Ratio	AA	AAA	AA large
Sample text	1.99:1	Fail	Fail	Fail
Sample text	10.57:1	Pass	Pass	Pass

#313F59 as text on	Ratio	AA	AAA	AA large
Sample text	10.57:1	Pass	Pass	Pass
Sample text	1.99:1	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 #313F59 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #313f59; }
.text { color: #313f59; }
.border { border: 2px solid #313f59; }
.transparent { background-color: rgb(49 63 89 / 50%); }
.gradient { background: linear-gradient(to right, #313f59, #373159); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #313F59?: #313F59 is a dark, desaturated azure, closest to the named color Pi. It belongs to the blue family of colors.
What is the RGB value of #313F59?: The RGB value is 49, 63, 89: 49 red, 63 green and 89 blue on a 0 to 255 scale.
What is the complementary color of #313F59?: The complementary color is #594B31, found by rotating the hue 180° on the color wheel.
Is black or white text better on #313F59?: White text. Black text has a contrast ratio of 1.99:1 and white text 10.57:1. WCAG asks for at least 4.5:1 for normal text.