What color is #1F3760?

#1F3760 is a dark, moderate azure, closest to the named color Nautilus. It belongs to the blue family of colors.

What is the RGB value of #1F3760?

The RGB value is 31, 55, 96: 31 red, 55 green and 96 blue on a 0 to 255 scale.

What is the complementary color of #1F3760?

The complementary color is #60481F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F3760?

White text. Black text has a contrast ratio of 1.77:1 and white text 11.84:1. WCAG asks for at least 4.5:1 for normal text.

#1F3760 color

#1F3760 rgb(31, 55, 96)

Shades of blue

The hex color #1F3760 is a dark, moderate azure.

In the RGB color model it is made of 12.2% red, 21.6% green and 37.6% blue (31, 55, 96).

Its hue angle is 218°, with 51% saturation and 25% lightness. For print, the CMYK equivalent is 68% cyan, 43% magenta, 0% yellow and 62% black.

The closest named color is Nautilus (#273C5A), a difference of 3.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.84:1).

#1F3760 color codes

HEX	`#1F3760`
RGB	`rgb(31, 55, 96)`
RGB percent	`rgb(12.2%, 21.6%, 37.6%)`
HSL	`hsl(218, 51%, 25%)`
HSV / HSB	`hsv(218, 68%, 38%)`
CMYK	`cmyk(68%, 43%, 0%, 62%)`
CIE LAB	`lab(23.23, 5.43, -27.17)`
CIE LCH	`lch(23.23, 27.71, 281.3)`
CIE XYZ	`xyz(4.042, 3.868, 11.598)`
Decimal	`2045792`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F3760, 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 #1F3760	Ratio	AA	AAA	AA large
Sample text	1.77:1	Fail	Fail	Fail
Sample text	11.84:1	Pass	Pass	Pass

#1F3760 as text on	Ratio	AA	AAA	AA large
Sample text	11.84:1	Pass	Pass	Pass
Sample text	1.77:1	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 #1F3760 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f3760; }
.text { color: #1f3760; }
.border { border: 2px solid #1f3760; }
.transparent { background-color: rgb(31 55 96 / 50%); }
.gradient { background: linear-gradient(to right, #1f3760, #271f60); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #1F3760?: #1F3760 is a dark, moderate azure, closest to the named color Nautilus. It belongs to the blue family of colors.
What is the RGB value of #1F3760?: The RGB value is 31, 55, 96: 31 red, 55 green and 96 blue on a 0 to 255 scale.
What is the complementary color of #1F3760?: The complementary color is #60481F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F3760?: White text. Black text has a contrast ratio of 1.77:1 and white text 11.84:1. WCAG asks for at least 4.5:1 for normal text.