What color is #011F43?

#011F43 is a very dark, vivid azure, closest to the named color Oxford Blue. It belongs to the black family of colors.

What is the RGB value of #011F43?

The RGB value is 1, 31, 67: 1 red, 31 green and 67 blue on a 0 to 255 scale.

What is the complementary color of #011F43?

The complementary color is #432501, found by rotating the hue 180° on the color wheel.

Is black or white text better on #011F43?

White text. Black text has a contrast ratio of 1.28:1 and white text 16.43:1. WCAG asks for at least 4.5:1 for normal text.

#011F43 color

#011F43 rgb(1, 31, 67)

Shades of black

The hex color #011F43 is a very dark, vivid azure.

In the RGB color model it is made of 0.4% red, 12.2% green and 26.3% blue (1, 31, 67).

Its hue angle is 213°, with 97% saturation and 13% lightness. For print, the CMYK equivalent is 99% cyan, 54% magenta, 0% yellow and 74% black.

The closest named color is Oxford Blue (#002147), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.43:1).

#011F43 color codes

HEX	`#011F43`
RGB	`rgb(1, 31, 67)`
RGB percent	`rgb(0.4%, 12.2%, 26.3%)`
HSL	`hsl(213, 97%, 13%)`
HSV / HSB	`hsv(213, 99%, 26%)`
CMYK	`cmyk(99%, 54%, 0%, 74%)`
CIE LAB	`lab(11.9, 5.58, -25.82)`
CIE LCH	`lch(11.9, 26.41, 282.19)`
CIE XYZ	`xyz(1.515, 1.391, 5.498)`
Decimal	`73539`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #011F43, 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 #011F43	Ratio	AA	AAA	AA large
Sample text	1.28:1	Fail	Fail	Fail
Sample text	16.43:1	Pass	Pass	Pass

#011F43 as text on	Ratio	AA	AAA	AA large
Sample text	16.43:1	Pass	Pass	Pass
Sample text	1.28:1	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 #011F43 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #011f43; }
.text { color: #011f43; }
.border { border: 2px solid #011f43; }
.transparent { background-color: rgb(1 31 67 / 50%); }
.gradient { background: linear-gradient(to right, #011f43, #040143); }

Background

Text color

Border

Similar colors

Questions

What color is #011F43?: #011F43 is a very dark, vivid azure, closest to the named color Oxford Blue. It belongs to the black family of colors.
What is the RGB value of #011F43?: The RGB value is 1, 31, 67: 1 red, 31 green and 67 blue on a 0 to 255 scale.
What is the complementary color of #011F43?: The complementary color is #432501, found by rotating the hue 180° on the color wheel.
Is black or white text better on #011F43?: White text. Black text has a contrast ratio of 1.28:1 and white text 16.43:1. WCAG asks for at least 4.5:1 for normal text.