What color is #66648C?

#66648C is a grayish blue, closest to the named color Heron. It belongs to the blue family of colors.

What is the RGB value of #66648C?

The RGB value is 102, 100, 140: 102 red, 100 green and 140 blue on a 0 to 255 scale.

What is the complementary color of #66648C?

The complementary color is #8A8C64, found by rotating the hue 180° on the color wheel.

Is black or white text better on #66648C?

White text. Black text has a contrast ratio of 3.77:1 and white text 5.58:1. WCAG asks for at least 4.5:1 for normal text.

#66648C color

#66648C rgb(102, 100, 140)

Shades of blue

The hex color #66648C is a grayish blue.

In the RGB color model it is made of 40% red, 39.2% green and 54.9% blue (102, 100, 140).

Its hue angle is 243°, with 17% saturation and 47% lightness. For print, the CMYK equivalent is 27% cyan, 29% magenta, 0% yellow and 45% black.

The closest named color is Heron (#6A6887), a difference of 3.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.58:1).

#66648C color codes

HEX	`#66648C`
RGB	`rgb(102, 100, 140)`
RGB percent	`rgb(40%, 39.2%, 54.9%)`
HSL	`hsl(243, 17%, 47%)`
HSV / HSB	`hsv(243, 29%, 55%)`
CMYK	`cmyk(27%, 29%, 0%, 45%)`
CIE LAB	`lab(43.99, 10.22, -21.75)`
CIE LCH	`lch(43.99, 24.03, 295.18)`
CIE XYZ	`xyz(14.769, 13.832, 26.698)`
Decimal	`6710412`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #66648C, 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 #66648C	Ratio	AA	AAA	AA large
Sample text	3.77:1	Fail	Fail	Pass
Sample text	5.58:1	Pass	Fail	Pass

#66648C as text on	Ratio	AA	AAA	AA large
Sample text	5.58:1	Pass	Fail	Pass
Sample text	3.77:1	Fail	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 #66648C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #66648c; }
.text { color: #66648c; }
.border { border: 2px solid #66648c; }
.transparent { background-color: rgb(102 100 140 / 50%); }
.gradient { background: linear-gradient(to right, #66648c, #7a648c); }

Background

Text color

Border

Similar colors

Closest common color name: Royal Purple.

Questions

What color is #66648C?: #66648C is a grayish blue, closest to the named color Heron. It belongs to the blue family of colors.
What is the RGB value of #66648C?: The RGB value is 102, 100, 140: 102 red, 100 green and 140 blue on a 0 to 255 scale.
What is the complementary color of #66648C?: The complementary color is #8A8C64, found by rotating the hue 180° on the color wheel.
Is black or white text better on #66648C?: White text. Black text has a contrast ratio of 3.77:1 and white text 5.58:1. WCAG asks for at least 4.5:1 for normal text.