What color is #003188?

#003188 is a dark, vivid azure, closest to the named color One Minute to Midnight. It belongs to the blue family of colors.

What is the RGB value of #003188?

The RGB value is 0, 49, 136: 0 red, 49 green and 136 blue on a 0 to 255 scale.

What is the complementary color of #003188?

The complementary color is #885700, found by rotating the hue 180° on the color wheel.

Is black or white text better on #003188?

White text. Black text has a contrast ratio of 1.79:1 and white text 11.7:1. WCAG asks for at least 4.5:1 for normal text.

#003188 color

#003188 rgb(0, 49, 136)

Shades of blue

The hex color #003188 is a dark, vivid azure.

In the RGB color model it is made of 0% red, 19.2% green and 53.3% blue (0, 49, 136).

Its hue angle is 218°, with 100% saturation and 27% lightness. For print, the CMYK equivalent is 100% cyan, 64% magenta, 0% yellow and 47% black.

The closest named color is One Minute to Midnight (#003388), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.7:1).

#003188 color codes

HEX	`#003188`
RGB	`rgb(0, 49, 136)`
RGB percent	`rgb(0%, 19.2%, 53.3%)`
HSL	`hsl(218, 100%, 27%)`
HSV / HSB	`hsv(218, 100%, 53%)`
CMYK	`cmyk(100%, 64%, 0%, 47%)`
CIE LAB	`lab(23.58, 23.25, -52.17)`
CIE LCH	`lch(23.58, 57.11, 294.02)`
CIE XYZ	`xyz(5.541, 3.973, 23.763)`
Decimal	`12680`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #003188, 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 #003188	Ratio	AA	AAA	AA large
Sample text	1.79:1	Fail	Fail	Fail
Sample text	11.7:1	Pass	Pass	Pass

#003188 as text on	Ratio	AA	AAA	AA large
Sample text	11.7:1	Pass	Pass	Pass
Sample text	1.79:1	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 #003188 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #003188; }
.text { color: #003188; }
.border { border: 2px solid #003188; }
.transparent { background-color: rgb(0 49 136 / 50%); }
.gradient { background: linear-gradient(to right, #003188, #130088); }

Background

Text color

Border

Similar colors

Closest common color name: Egyptian Blue.

Questions

What color is #003188?: #003188 is a dark, vivid azure, closest to the named color One Minute to Midnight. It belongs to the blue family of colors.
What is the RGB value of #003188?: The RGB value is 0, 49, 136: 0 red, 49 green and 136 blue on a 0 to 255 scale.
What is the complementary color of #003188?: The complementary color is #885700, found by rotating the hue 180° on the color wheel.
Is black or white text better on #003188?: White text. Black text has a contrast ratio of 1.79:1 and white text 11.7:1. WCAG asks for at least 4.5:1 for normal text.