What color is #001543?

#001543 is a very dark, vivid blue, closest to the named color Infinite Night. It belongs to the black family of colors.

What is the RGB value of #001543?

The RGB value is 0, 21, 67: 0 red, 21 green and 67 blue on a 0 to 255 scale.

What is the complementary color of #001543?

The complementary color is #432E00, found by rotating the hue 180° on the color wheel.

Is black or white text better on #001543?

White text. Black text has a contrast ratio of 1.19:1 and white text 17.67:1. WCAG asks for at least 4.5:1 for normal text.

#001543 color

#001543 rgb(0, 21, 67)

Shades of black

The hex color #001543 is a very dark, vivid blue.

In the RGB color model it is made of 0% red, 8.2% green and 26.3% blue (0, 21, 67).

Its hue angle is 221°, with 100% saturation and 13% lightness. For print, the CMYK equivalent is 100% cyan, 69% magenta, 0% yellow and 74% black.

The closest named color is Infinite Night (#071037), a difference of 2.9 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.67:1).

#001543 color codes

HEX	`#001543`
RGB	`rgb(0, 21, 67)`
RGB percent	`rgb(0%, 8.2%, 26.3%)`
HSL	`hsl(221, 100%, 13%)`
HSV / HSB	`hsv(221, 100%, 26%)`
CMYK	`cmyk(100%, 69%, 0%, 74%)`
CIE LAB	`lab(8.49, 13.41, -31.36)`
CIE LCH	`lch(8.49, 34.1, 293.16)`
CIE XYZ	`xyz(1.281, 0.941, 5.423)`
Decimal	`5443`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #001543, 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 #001543	Ratio	AA	AAA	AA large
Sample text	1.19:1	Fail	Fail	Fail
Sample text	17.67:1	Pass	Pass	Pass

#001543 as text on	Ratio	AA	AAA	AA large
Sample text	17.67:1	Pass	Pass	Pass
Sample text	1.19:1	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 #001543 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #001543; }
.text { color: #001543; }
.border { border: 2px solid #001543; }
.transparent { background-color: rgb(0 21 67 / 50%); }
.gradient { background: linear-gradient(to right, #001543, #0d0043); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #001543?: #001543 is a very dark, vivid blue, closest to the named color Infinite Night. It belongs to the black family of colors.
What is the RGB value of #001543?: The RGB value is 0, 21, 67: 0 red, 21 green and 67 blue on a 0 to 255 scale.
What is the complementary color of #001543?: The complementary color is #432E00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #001543?: White text. Black text has a contrast ratio of 1.19:1 and white text 17.67:1. WCAG asks for at least 4.5:1 for normal text.