What color is #666A7C?

#666A7C 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 #666A7C?

The RGB value is 102, 106, 124: 102 red, 106 green and 124 blue on a 0 to 255 scale.

What is the complementary color of #666A7C?

The complementary color is #7C7866, found by rotating the hue 180° on the color wheel.

Is black or white text better on #666A7C?

White text. Black text has a contrast ratio of 3.92:1 and white text 5.36:1. WCAG asks for at least 4.5:1 for normal text.

#666A7C color

#666A7C rgb(102, 106, 124)

Shades of gray

The hex color #666A7C is a grayish blue.

In the RGB color model it is made of 40% red, 41.6% green and 48.6% blue (102, 106, 124).

Its hue angle is 229°, with 10% saturation and 44% lightness. For print, the CMYK equivalent is 18% cyan, 15% magenta, 0% yellow and 51% black.

The closest named color is Ashen Whisper (#646B7A), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.36:1).

#666A7C color codes

HEX	`#666A7C`
RGB	`rgb(102, 106, 124)`
RGB percent	`rgb(40%, 41.6%, 48.6%)`
HSL	`hsl(229, 10%, 44%)`
HSV / HSB	`hsv(229, 18%, 49%)`
CMYK	`cmyk(18%, 15%, 0%, 51%)`
CIE LAB	`lab(45.06, 2.54, -10.51)`
CIE LCH	`lch(45.06, 10.81, 283.6)`
CIE XYZ	`xyz(14.271, 14.588, 21.129)`
Decimal	`6711932`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #666A7C, 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 #666A7C	Ratio	AA	AAA	AA large
Sample text	3.92:1	Fail	Fail	Pass
Sample text	5.36:1	Pass	Fail	Pass

#666A7C as text on	Ratio	AA	AAA	AA large
Sample text	5.36:1	Pass	Fail	Pass
Sample text	3.92:1	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 #666A7C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #666a7c; }
.text { color: #666a7c; }
.border { border: 2px solid #666a7c; }
.transparent { background-color: rgb(102 106 124 / 50%); }
.gradient { background: linear-gradient(to right, #666a7c, #6d667c); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #666A7C?: #666A7C 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 #666A7C?: The RGB value is 102, 106, 124: 102 red, 106 green and 124 blue on a 0 to 255 scale.
What is the complementary color of #666A7C?: The complementary color is #7C7866, found by rotating the hue 180° on the color wheel.
Is black or white text better on #666A7C?: White text. Black text has a contrast ratio of 3.92:1 and white text 5.36:1. WCAG asks for at least 4.5:1 for normal text.