What color is #3399CC?

#3399CC is a moderate azure, closest to the named color Blue Burst. It belongs to the blue family of colors.

What is the RGB value of #3399CC?

The RGB value is 51, 153, 204: 51 red, 153 green and 204 blue on a 0 to 255 scale.

What is the complementary color of #3399CC?

The complementary color is #CC6633, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3399CC?

Black text. Black text has a contrast ratio of 6.57:1 and white text 3.2:1. WCAG asks for at least 4.5:1 for normal text.

#3399CC color

#3399CC rgb(51, 153, 204)

Shades of blue

The hex color #3399CC is a moderate azure.

In the RGB color model it is made of 20% red, 60% green and 80% blue (51, 153, 204).

Its hue angle is 200°, with 60% saturation and 50% lightness. For print, the CMYK equivalent is 75% cyan, 25% magenta, 0% yellow and 20% black.

The closest named color is Blue Burst (#309CD0), a difference of 1 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 6.57:1).

#3399CC color codes

HEX	`#3399CC`
RGB	`rgb(51, 153, 204)`
RGB percent	`rgb(20%, 60%, 80%)`
HSL	`hsl(200, 60%, 50%)`
HSV / HSB	`hsv(200, 75%, 80%)`
CMYK	`cmyk(75%, 25%, 0%, 20%)`
CIE LAB	`lab(59.75, -12, -34.5)`
CIE LCH	`lch(59.75, 36.52, 250.81)`
CIE XYZ	`xyz(23.651, 27.843, 61.243)`
Decimal	`3381708`
Short hex	`#39C`

Color harmonies

Colors that go with #3399CC, 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 #3399CC	Ratio	AA	AAA	AA large
Sample text	6.57:1	Pass	Fail	Pass
Sample text	3.2:1	Fail	Fail	Pass

#3399CC as text on	Ratio	AA	AAA	AA large
Sample text	3.2:1	Fail	Fail	Pass
Sample text	6.57:1	Pass	Fail	Pass

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 #3399CC looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3399cc; }
.text { color: #3399cc; }
.border { border: 2px solid #3399cc; }
.transparent { background-color: rgb(51 153 204 / 50%); }
.gradient { background: linear-gradient(to right, #3399cc, #334ccc); }

Background

Text color

Border

Similar colors

Questions

What color is #3399CC?: #3399CC is a moderate azure, closest to the named color Blue Burst. It belongs to the blue family of colors.
What is the RGB value of #3399CC?: The RGB value is 51, 153, 204: 51 red, 153 green and 204 blue on a 0 to 255 scale.
What is the complementary color of #3399CC?: The complementary color is #CC6633, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3399CC?: Black text. Black text has a contrast ratio of 6.57:1 and white text 3.2:1. WCAG asks for at least 4.5:1 for normal text.