What color is #1F1B48?

#1F1B48 is a very dark, desaturated blue, closest to the named color Azulado. It belongs to the blue family of colors.

What is the RGB value of #1F1B48?

The RGB value is 31, 27, 72: 31 red, 27 green and 72 blue on a 0 to 255 scale.

What is the complementary color of #1F1B48?

The complementary color is #44481B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F1B48?

White text. Black text has a contrast ratio of 1.31:1 and white text 16.05:1. WCAG asks for at least 4.5:1 for normal text.

#1F1B48 color

#1F1B48 rgb(31, 27, 72)

Shades of blue

The hex color #1F1B48 is a very dark, desaturated blue.

In the RGB color model it is made of 12.2% red, 10.6% green and 28.2% blue (31, 27, 72).

Its hue angle is 245°, with 45% saturation and 19% lightness. For print, the CMYK equivalent is 57% cyan, 63% magenta, 0% yellow and 72% black.

The closest named color is Azulado (#211D49), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.05:1).

#1F1B48 color codes

HEX	`#1F1B48`
RGB	`rgb(31, 27, 72)`
RGB percent	`rgb(12.2%, 10.6%, 28.2%)`
HSL	`hsl(245, 45%, 19%)`
HSV / HSB	`hsv(245, 63%, 28%)`
CMYK	`cmyk(57%, 63%, 0%, 72%)`
CIE LAB	`lab(12.88, 16.41, -27.63)`
CIE LCH	`lch(12.88, 32.13, 300.71)`
CIE XYZ	`xyz(2.126, 1.543, 6.315)`
Decimal	`2038600`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F1B48, 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 #1F1B48	Ratio	AA	AAA	AA large
Sample text	1.31:1	Fail	Fail	Fail
Sample text	16.05:1	Pass	Pass	Pass

#1F1B48 as text on	Ratio	AA	AAA	AA large
Sample text	16.05:1	Pass	Pass	Pass
Sample text	1.31:1	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 #1F1B48 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f1b48; }
.text { color: #1f1b48; }
.border { border: 2px solid #1f1b48; }
.transparent { background-color: rgb(31 27 72 / 50%); }
.gradient { background: linear-gradient(to right, #1f1b48, #351b48); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #1F1B48?: #1F1B48 is a very dark, desaturated blue, closest to the named color Azulado. It belongs to the blue family of colors.
What is the RGB value of #1F1B48?: The RGB value is 31, 27, 72: 31 red, 27 green and 72 blue on a 0 to 255 scale.
What is the complementary color of #1F1B48?: The complementary color is #44481B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F1B48?: White text. Black text has a contrast ratio of 1.31:1 and white text 16.05:1. WCAG asks for at least 4.5:1 for normal text.