What color is #0033AA?

#0033AA is a dark, vivid blue, closest to the named color Blue Hour. It belongs to the blue family of colors.

What is the RGB value of #0033AA?

The RGB value is 0, 51, 170: 0 red, 51 green and 170 blue on a 0 to 255 scale.

What is the complementary color of #0033AA?

The complementary color is #AA7700, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0033AA?

White text. Black text has a contrast ratio of 2.05:1 and white text 10.22:1. WCAG asks for at least 4.5:1 for normal text.

#0033AA color

#0033AA rgb(0, 51, 170)

Shades of blue

The hex color #0033AA is a dark, vivid blue.

In the RGB color model it is made of 0% red, 20% green and 66.7% blue (0, 51, 170).

Its hue angle is 222°, with 100% saturation and 33% lightness. For print, the CMYK equivalent is 100% cyan, 70% magenta, 0% yellow and 33% black.

The closest named color is Blue Hour (#0034AB), a difference of 0.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.22:1).

#0033AA color codes

HEX	`#0033AA`
RGB	`rgb(0, 51, 170)`
RGB percent	`rgb(0%, 20%, 66.7%)`
HSL	`hsl(222, 100%, 33%)`
HSV / HSB	`hsv(222, 100%, 67%)`
CMYK	`cmyk(100%, 70%, 0%, 33%)`
CIE LAB	`lab(27.49, 35.6, -66.56)`
CIE LCH	`lch(27.49, 75.48, 298.14)`
CIE XYZ	`xyz(8.437, 5.269, 38.595)`
Decimal	`13226`
Short hex	`#03A`

Color harmonies

Colors that go with #0033AA, 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 #0033AA	Ratio	AA	AAA	AA large
Sample text	2.05:1	Fail	Fail	Fail
Sample text	10.22:1	Pass	Pass	Pass

#0033AA as text on	Ratio	AA	AAA	AA large
Sample text	10.22:1	Pass	Pass	Pass
Sample text	2.05:1	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 #0033AA looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0033aa; }
.text { color: #0033aa; }
.border { border: 2px solid #0033aa; }
.transparent { background-color: rgb(0 51 170 / 50%); }
.gradient { background: linear-gradient(to right, #0033aa, #2200aa); }

Background

Text color

Border

Similar colors

Questions

What color is #0033AA?: #0033AA is a dark, vivid blue, closest to the named color Blue Hour. It belongs to the blue family of colors.
What is the RGB value of #0033AA?: The RGB value is 0, 51, 170: 0 red, 51 green and 170 blue on a 0 to 255 scale.
What is the complementary color of #0033AA?: The complementary color is #AA7700, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0033AA?: White text. Black text has a contrast ratio of 2.05:1 and white text 10.22:1. WCAG asks for at least 4.5:1 for normal text.