What color is #333C66?

#333C66 is a dark, desaturated blue, closest to the named color Midnight Escapade. It belongs to the blue family of colors.

What is the RGB value of #333C66?

The RGB value is 51, 60, 102: 51 red, 60 green and 102 blue on a 0 to 255 scale.

What is the complementary color of #333C66?

The complementary color is #665D33, found by rotating the hue 180° on the color wheel.

Is black or white text better on #333C66?

White text. Black text has a contrast ratio of 1.98:1 and white text 10.61:1. WCAG asks for at least 4.5:1 for normal text.

#333C66 color

#333C66 rgb(51, 60, 102)

Shades of blue

The hex color #333C66 is a dark, desaturated blue.

In the RGB color model it is made of 20% red, 23.5% green and 40% blue (51, 60, 102).

Its hue angle is 229°, with 33% saturation and 30% lightness. For print, the CMYK equivalent is 50% cyan, 41% magenta, 0% yellow and 60% black.

The closest named color is Midnight Escapade (#2B3458), a difference of 3.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 10.61:1).

#333C66 color codes

HEX	`#333C66`
RGB	`rgb(51, 60, 102)`
RGB percent	`rgb(20%, 23.5%, 40%)`
HSL	`hsl(229, 33%, 30%)`
HSV / HSB	`hsv(229, 50%, 40%)`
CMYK	`cmyk(50%, 41%, 0%, 60%)`
CIE LAB	`lab(26.43, 9.06, -25.9)`
CIE LCH	`lch(26.43, 27.44, 289.29)`
CIE XYZ	`xyz(5.379, 4.895, 13.229)`
Decimal	`3357798`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #333C66, 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 #333C66	Ratio	AA	AAA	AA large
Sample text	1.98:1	Fail	Fail	Fail
Sample text	10.61:1	Pass	Pass	Pass

#333C66 as text on	Ratio	AA	AAA	AA large
Sample text	10.61:1	Pass	Pass	Pass
Sample text	1.98:1	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 #333C66 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #333c66; }
.text { color: #333c66; }
.border { border: 2px solid #333c66; }
.transparent { background-color: rgb(51 60 102 / 50%); }
.gradient { background: linear-gradient(to right, #333c66, #443366); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #333C66?: #333C66 is a dark, desaturated blue, closest to the named color Midnight Escapade. It belongs to the blue family of colors.
What is the RGB value of #333C66?: The RGB value is 51, 60, 102: 51 red, 60 green and 102 blue on a 0 to 255 scale.
What is the complementary color of #333C66?: The complementary color is #665D33, found by rotating the hue 180° on the color wheel.
Is black or white text better on #333C66?: White text. Black text has a contrast ratio of 1.98:1 and white text 10.61:1. WCAG asks for at least 4.5:1 for normal text.