What color is #666E83?

#666E83 is a grayish blue, closest to the named color Ashen Whisper. It belongs to the gray family of colors.

What is the RGB value of #666E83?

The RGB value is 102, 110, 131: 102 red, 110 green and 131 blue on a 0 to 255 scale.

What is the complementary color of #666E83?

The complementary color is #837B66, found by rotating the hue 180° on the color wheel.

Is black or white text better on #666E83?

White text. Black text has a contrast ratio of 4.12:1 and white text 5.09:1. WCAG asks for at least 4.5:1 for normal text.

#666E83 color

#666E83 rgb(102, 110, 131)

Shades of gray

The hex color #666E83 is a grayish blue.

In the RGB color model it is made of 40% red, 43.1% green and 51.4% blue (102, 110, 131).

Its hue angle is 223°, with 12% saturation and 46% lightness. For print, the CMYK equivalent is 22% cyan, 16% magenta, 0% yellow and 49% black.

The closest named color is Ashen Whisper (#646B7A), a difference of 2.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.09:1).

#666E83 color codes

HEX	`#666E83`
RGB	`rgb(102, 110, 131)`
RGB percent	`rgb(40%, 43.1%, 51.4%)`
HSL	`hsl(223, 12%, 46%)`
HSV / HSB	`hsv(223, 22%, 51%)`
CMYK	`cmyk(22%, 16%, 0%, 49%)`
CIE LAB	`lab(46.47, 1.86, -12.58)`
CIE LCH	`lch(46.47, 12.72, 278.4)`
CIE XYZ	`xyz(15.151, 15.615, 23.684)`
Decimal	`6712963`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #666E83, 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 #666E83	Ratio	AA	AAA	AA large
Sample text	4.12:1	Fail	Fail	Pass
Sample text	5.09:1	Pass	Fail	Pass

#666E83 as text on	Ratio	AA	AAA	AA large
Sample text	5.09:1	Pass	Fail	Pass
Sample text	4.12:1	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 #666E83 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #666e83; }
.text { color: #666e83; }
.border { border: 2px solid #666e83; }
.transparent { background-color: rgb(102 110 131 / 50%); }
.gradient { background: linear-gradient(to right, #666e83, #6c6683); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #666E83?: #666E83 is a grayish blue, closest to the named color Ashen Whisper. It belongs to the gray family of colors.
What is the RGB value of #666E83?: The RGB value is 102, 110, 131: 102 red, 110 green and 131 blue on a 0 to 255 scale.
What is the complementary color of #666E83?: The complementary color is #837B66, found by rotating the hue 180° on the color wheel.
Is black or white text better on #666E83?: White text. Black text has a contrast ratio of 4.12:1 and white text 5.09:1. WCAG asks for at least 4.5:1 for normal text.