What color is #0033BA?

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

What is the RGB value of #0033BA?

The RGB value is 0, 51, 186: 0 red, 51 green and 186 blue on a 0 to 255 scale.

What is the complementary color of #0033BA?

The complementary color is #BA8700, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0033BA?

White text. Black text has a contrast ratio of 2.18:1 and white text 9.62:1. WCAG asks for at least 4.5:1 for normal text.

#0033BA color

#0033BA rgb(0, 51, 186)

Shades of blue

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

In the RGB color model it is made of 0% red, 20% green and 72.9% blue (0, 51, 186).

Its hue angle is 224°, with 100% saturation and 36% lightness. For print, the CMYK equivalent is 100% cyan, 73% magenta, 0% yellow and 27% black.

The closest named color is Persian Blue (#1C39BB), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.62:1).

#0033BA color codes

HEX	`#0033BA`
RGB	`rgb(0, 51, 186)`
RGB percent	`rgb(0%, 20%, 72.9%)`
HSL	`hsl(224, 100%, 36%)`
HSV / HSB	`hsv(224, 100%, 73%)`
CMYK	`cmyk(100%, 73%, 0%, 27%)`
CIE LAB	`lab(29.19, 41.61, -73.3)`
CIE LCH	`lch(29.19, 84.29, 299.58)`
CIE XYZ	`xyz(10.044, 5.911, 47.056)`
Decimal	`13242`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0033BA, 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 #0033BA	Ratio	AA	AAA	AA large
Sample text	2.18:1	Fail	Fail	Fail
Sample text	9.62:1	Pass	Pass	Pass

#0033BA as text on	Ratio	AA	AAA	AA large
Sample text	9.62:1	Pass	Pass	Pass
Sample text	2.18:1	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 #0033BA looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0033ba; }
.text { color: #0033ba; }
.border { border: 2px solid #0033ba; }
.transparent { background-color: rgb(0 51 186 / 50%); }
.gradient { background: linear-gradient(to right, #0033ba, #2a00ba); }

Background

Text color

Border

Similar colors

Questions

What color is #0033BA?: #0033BA is a dark, vivid blue, closest to the named color Persian Blue. It belongs to the blue family of colors.
What is the RGB value of #0033BA?: The RGB value is 0, 51, 186: 0 red, 51 green and 186 blue on a 0 to 255 scale.
What is the complementary color of #0033BA?: The complementary color is #BA8700, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0033BA?: White text. Black text has a contrast ratio of 2.18:1 and white text 9.62:1. WCAG asks for at least 4.5:1 for normal text.