What color is #043F7C?

#043F7C is a dark, vivid azure, closest to the named color Tardis Blue. It belongs to the blue family of colors.

What is the RGB value of #043F7C?

The RGB value is 4, 63, 124: 4 red, 63 green and 124 blue on a 0 to 255 scale.

What is the complementary color of #043F7C?

The complementary color is #7C4104, found by rotating the hue 180° on the color wheel.

Is black or white text better on #043F7C?

White text. Black text has a contrast ratio of 2.01:1 and white text 10.46:1. WCAG asks for at least 4.5:1 for normal text.

#043F7C color

#043F7C rgb(4, 63, 124)

Shades of blue

The hex color #043F7C is a dark, vivid azure.

In the RGB color model it is made of 1.6% red, 24.7% green and 48.6% blue (4, 63, 124).

Its hue angle is 211°, with 94% saturation and 25% lightness. For print, the CMYK equivalent is 97% cyan, 49% magenta, 0% yellow and 51% black.

The closest named color is Tardis Blue (#003B6F), a difference of 2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 10.46:1).

#043F7C color codes

HEX	`#043F7C`
RGB	`rgb(4, 63, 124)`
RGB percent	`rgb(1.6%, 24.7%, 48.6%)`
HSL	`hsl(211, 94%, 25%)`
HSV / HSB	`hsv(211, 97%, 49%)`
CMYK	`cmyk(97%, 49%, 0%, 51%)`
CIE LAB	`lab(26.84, 8.34, -39.36)`
CIE LCH	`lch(26.84, 40.23, 281.97)`
CIE XYZ	`xyz(5.464, 5.035, 19.749)`
Decimal	`278396`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #043F7C, 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 #043F7C	Ratio	AA	AAA	AA large
Sample text	2.01:1	Fail	Fail	Fail
Sample text	10.46:1	Pass	Pass	Pass

#043F7C as text on	Ratio	AA	AAA	AA large
Sample text	10.46:1	Pass	Pass	Pass
Sample text	2.01:1	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 #043F7C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #043f7c; }
.text { color: #043f7c; }
.border { border: 2px solid #043f7c; }
.transparent { background-color: rgb(4 63 124 / 50%); }
.gradient { background: linear-gradient(to right, #043f7c, #05047c); }

Background

Text color

Border

Similar colors

Closest common color name: Cobalt Blue.

Questions

What color is #043F7C?: #043F7C is a dark, vivid azure, closest to the named color Tardis Blue. It belongs to the blue family of colors.
What is the RGB value of #043F7C?: The RGB value is 4, 63, 124: 4 red, 63 green and 124 blue on a 0 to 255 scale.
What is the complementary color of #043F7C?: The complementary color is #7C4104, found by rotating the hue 180° on the color wheel.
Is black or white text better on #043F7C?: White text. Black text has a contrast ratio of 2.01:1 and white text 10.46:1. WCAG asks for at least 4.5:1 for normal text.