What color is #1F3964?

#1F3964 is a dark, moderate azure, closest to the named color Nightlife. It belongs to the blue family of colors.

What is the RGB value of #1F3964?

The RGB value is 31, 57, 100: 31 red, 57 green and 100 blue on a 0 to 255 scale.

What is the complementary color of #1F3964?

The complementary color is #644A1F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F3964?

White text. Black text has a contrast ratio of 1.83:1 and white text 11.49:1. WCAG asks for at least 4.5:1 for normal text.

#1F3964 color

#1F3964 rgb(31, 57, 100)

Shades of blue

The hex color #1F3964 is a dark, moderate azure.

In the RGB color model it is made of 12.2% red, 22.4% green and 39.2% blue (31, 57, 100).

Its hue angle is 217°, with 53% saturation and 26% lightness. For print, the CMYK equivalent is 69% cyan, 43% magenta, 0% yellow and 61% black.

The closest named color is Nightlife (#27426B), a difference of 2.9 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.49:1).

#1F3964 color codes

HEX	`#1F3964`
RGB	`rgb(31, 57, 100)`
RGB percent	`rgb(12.2%, 22.4%, 39.2%)`
HSL	`hsl(217, 53%, 26%)`
HSV / HSB	`hsv(217, 69%, 39%)`
CMYK	`cmyk(69%, 43%, 0%, 61%)`
CIE LAB	`lab(24.12, 5.61, -28.35)`
CIE LCH	`lch(24.12, 28.9, 281.19)`
CIE XYZ	`xyz(4.328, 4.137, 12.625)`
Decimal	`2046308`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F3964, 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 #1F3964	Ratio	AA	AAA	AA large
Sample text	1.83:1	Fail	Fail	Fail
Sample text	11.49:1	Pass	Pass	Pass

#1F3964 as text on	Ratio	AA	AAA	AA large
Sample text	11.49:1	Pass	Pass	Pass
Sample text	1.83:1	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 #1F3964 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f3964; }
.text { color: #1f3964; }
.border { border: 2px solid #1f3964; }
.transparent { background-color: rgb(31 57 100 / 50%); }
.gradient { background: linear-gradient(to right, #1f3964, #281f64); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #1F3964?: #1F3964 is a dark, moderate azure, closest to the named color Nightlife. It belongs to the blue family of colors.
What is the RGB value of #1F3964?: The RGB value is 31, 57, 100: 31 red, 57 green and 100 blue on a 0 to 255 scale.
What is the complementary color of #1F3964?: The complementary color is #644A1F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F3964?: White text. Black text has a contrast ratio of 1.83:1 and white text 11.49:1. WCAG asks for at least 4.5:1 for normal text.