#646C76 color

#646C76 rgb(100, 108, 118)
Shades of gray

The hex color #646C76 is a grayish azure.

In the RGB color model it is made of 39.2% red, 42.4% green and 46.3% blue (100, 108, 118).

Its hue angle is 213°, with 8% saturation and 43% lightness. For print, the CMYK equivalent is 15% cyan, 8% magenta, 0% yellow and 54% black.

The closest named color is Made in the Shade (#6B717A), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.32:1).

#646C76 color codes

HEX#646C76
RGBrgb(100, 108, 118)
RGB percentrgb(39.2%, 42.4%, 46.3%)
HSLhsl(213, 8%, 43%)
HSV / HSBhsv(213, 15%, 46%)
CMYKcmyk(15%, 8%, 0%, 54%)
CIE LABlab(45.28, -0.79, -6.6)
CIE LCHlch(45.28, 6.64, 263.21)
CIE XYZxyz(13.887, 14.742, 19.25)
Decimal6581366
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #646C76, 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 #646C76RatioAAAAAAA large
Sample text3.95:1FailFailPass
Sample text5.32:1PassFailPass
#646C76 as text onRatioAAAAAAA large
Sample text5.32:1PassFailPass
Sample text3.95:1FailFailPass

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 #646C76 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646c76; }
.text { color: #646c76; }
.border { border: 2px solid #646c76; }
.transparent { background-color: rgb(100 108 118 / 50%); }
.gradient { background: linear-gradient(to right, #646c76, #656476); }
Background
Text color
Border

Similar colors

Questions

What color is #646C76?
#646C76 is a grayish azure, closest to the named color Made in the Shade. It belongs to the gray family of colors.
What is the RGB value of #646C76?
The RGB value is 100, 108, 118: 100 red, 108 green and 118 blue on a 0 to 255 scale.
What is the complementary color of #646C76?
The complementary color is #766E64, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646C76?
White text. Black text has a contrast ratio of 3.95:1 and white text 5.32:1. WCAG asks for at least 4.5:1 for normal text.