What color is #645F67?

#645F67 is a gray, closest to the named color Excalibur. It belongs to the gray family of colors.

What is the RGB value of #645F67?

The RGB value is 100, 95, 103: 100 red, 95 green and 103 blue on a 0 to 255 scale.

What is the complementary color of #645F67?

The complementary color is #62675F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645F67?

White text. Black text has a contrast ratio of 3.37:1 and white text 6.22:1. WCAG asks for at least 4.5:1 for normal text.

#645F67 color

#645F67 rgb(100, 95, 103)

Shades of gray

The hex color #645F67 is a gray.

In the RGB color model it is made of 39.2% red, 37.3% green and 40.4% blue (100, 95, 103).

Its hue angle is 278°, with 4% saturation and 39% lightness. For print, the CMYK equivalent is 3% cyan, 8% magenta, 0% yellow and 60% black.

The closest named color is Excalibur (#676168), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 6.22:1).

#645F67 color codes

HEX	`#645F67`
RGB	`rgb(100, 95, 103)`
RGB percent	`rgb(39.2%, 37.3%, 40.4%)`
HSL	`hsl(278, 4%, 39%)`
HSV / HSB	`hsv(278, 8%, 40%)`
CMYK	`cmyk(3%, 8%, 0%, 60%)`
CIE LAB	`lab(41.01, 3.65, -3.83)`
CIE LCH	`lch(41.01, 5.29, 313.61)`
CIE XYZ	`xyz(11.796, 11.873, 14.5)`
Decimal	`6578023`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645F67, 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 #645F67	Ratio	AA	AAA	AA large
Sample text	3.37:1	Fail	Fail	Pass
Sample text	6.22:1	Pass	Fail	Pass

#645F67 as text on	Ratio	AA	AAA	AA large
Sample text	6.22:1	Pass	Fail	Pass
Sample text	3.37:1	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 #645F67 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645f67; }
.text { color: #645f67; }
.border { border: 2px solid #645f67; }
.transparent { background-color: rgb(100 95 103 / 50%); }
.gradient { background: linear-gradient(to right, #645f67, #675f66); }

Background

Text color

Border

Similar colors

Closest common color name: Dim Gray.

Questions

What color is #645F67?: #645F67 is a gray, closest to the named color Excalibur. It belongs to the gray family of colors.
What is the RGB value of #645F67?: The RGB value is 100, 95, 103: 100 red, 95 green and 103 blue on a 0 to 255 scale.
What is the complementary color of #645F67?: The complementary color is #62675F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645F67?: White text. Black text has a contrast ratio of 3.37:1 and white text 6.22:1. WCAG asks for at least 4.5:1 for normal text.