What color is #66636C?

#66636C is a gray, closest to the named color Excalibur. It belongs to the gray family of colors.

What is the RGB value of #66636C?

The RGB value is 102, 99, 108: 102 red, 99 green and 108 blue on a 0 to 255 scale.

What is the complementary color of #66636C?

The complementary color is #696C63, found by rotating the hue 180° on the color wheel.

Is black or white text better on #66636C?

White text. Black text has a contrast ratio of 3.57:1 and white text 5.89:1. WCAG asks for at least 4.5:1 for normal text.

#66636C color

#66636C rgb(102, 99, 108)

Shades of gray

The hex color #66636C is a gray.

In the RGB color model it is made of 40% red, 38.8% green and 42.4% blue (102, 99, 108).

Its hue angle is 260°, with 4% saturation and 41% lightness. For print, the CMYK equivalent is 6% cyan, 8% magenta, 0% yellow and 58% black.

The closest named color is Excalibur (#676168), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.89:1).

#66636C color codes

HEX	`#66636C`
RGB	`rgb(102, 99, 108)`
RGB percent	`rgb(40%, 38.8%, 42.4%)`
HSL	`hsl(260, 4%, 41%)`
HSV / HSB	`hsv(260, 8%, 42%)`
CMYK	`cmyk(6%, 8%, 0%, 58%)`
CIE LAB	`lab(42.51, 3.08, -4.65)`
CIE LCH	`lch(42.51, 5.58, 303.48)`
CIE XYZ	`xyz(12.648, 12.831, 15.995)`
Decimal	`6710124`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #66636C, 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 #66636C	Ratio	AA	AAA	AA large
Sample text	3.57:1	Fail	Fail	Pass
Sample text	5.89:1	Pass	Fail	Pass

#66636C as text on	Ratio	AA	AAA	AA large
Sample text	5.89:1	Pass	Fail	Pass
Sample text	3.57:1	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 #66636C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #66636c; }
.text { color: #66636c; }
.border { border: 2px solid #66636c; }
.transparent { background-color: rgb(102 99 108 / 50%); }
.gradient { background: linear-gradient(to right, #66636c, #6b636c); }

Background

Text color

Border

Similar colors

Closest common color name: Dim Gray.

Questions

What color is #66636C?: #66636C is a gray, closest to the named color Excalibur. It belongs to the gray family of colors.
What is the RGB value of #66636C?: The RGB value is 102, 99, 108: 102 red, 99 green and 108 blue on a 0 to 255 scale.
What is the complementary color of #66636C?: The complementary color is #696C63, found by rotating the hue 180° on the color wheel.
Is black or white text better on #66636C?: White text. Black text has a contrast ratio of 3.57:1 and white text 5.89:1. WCAG asks for at least 4.5:1 for normal text.