#645661 color

#645661 rgb(100, 86, 97)
Shades of gray

The hex color #645661 is a gray.

In the RGB color model it is made of 39.2% red, 33.7% green and 38% blue (100, 86, 97).

Its hue angle is 313°, with 8% saturation and 36% lightness. For print, the CMYK equivalent is 0% cyan, 14% magenta, 3% yellow and 61% black.

The closest named color is Fedora (#625665), a difference of 2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 6.9:1).

#645661 color codes

HEX#645661
RGBrgb(100, 86, 97)
RGB percentrgb(39.2%, 33.7%, 38%)
HSLhsl(313, 8%, 36%)
HSV / HSBhsv(313, 14%, 39%)
CMYKcmyk(0%, 14%, 3%, 61%)
CIE LABlab(38.25, 7.9, -4.23)
CIE LCHlch(38.25, 8.96, 331.86)
CIE XYZxyz(10.741, 10.228, 12.715)
Decimal6575713
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #645661, 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 #645661RatioAAAAAAA large
Sample text3.05:1FailFailPass
Sample text6.9:1PassFailPass
#645661 as text onRatioAAAAAAA large
Sample text6.9:1PassFailPass
Sample text3.05:1FailFailPass

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 #645661 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645661; }
.text { color: #645661; }
.border { border: 2px solid #645661; }
.transparent { background-color: rgb(100 86 97 / 50%); }
.gradient { background: linear-gradient(to right, #645661, #64565a); }
Background
Text color
Border

Similar colors

Closest common color name: Eggplant.

Questions

What color is #645661?
#645661 is a gray, closest to the named color Fedora. It belongs to the gray family of colors.
What is the RGB value of #645661?
The RGB value is 100, 86, 97: 100 red, 86 green and 97 blue on a 0 to 255 scale.
What is the complementary color of #645661?
The complementary color is #566459, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645661?
White text. Black text has a contrast ratio of 3.05:1 and white text 6.9:1. WCAG asks for at least 4.5:1 for normal text.