What color is #645F74?

#645F74 is a grayish violet, closest to the named color Smoky. It belongs to the gray family of colors.

What is the RGB value of #645F74?

The RGB value is 100, 95, 116: 100 red, 95 green and 116 blue on a 0 to 255 scale.

What is the complementary color of #645F74?

The complementary color is #6F745F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645F74?

White text. Black text has a contrast ratio of 3.43:1 and white text 6.12:1. WCAG asks for at least 4.5:1 for normal text.

#645F74 color

#645F74 rgb(100, 95, 116)

Shades of gray

The hex color #645F74 is a grayish violet.

In the RGB color model it is made of 39.2% red, 37.3% green and 45.5% blue (100, 95, 116).

Its hue angle is 254°, with 10% saturation and 41% lightness. For print, the CMYK equivalent is 14% cyan, 18% magenta, 0% yellow and 55% black.

The closest named color is Smoky (#605D6B), a difference of 3.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.12:1).

#645F74 color codes

HEX	`#645F74`
RGB	`rgb(100, 95, 116)`
RGB percent	`rgb(39.2%, 37.3%, 45.5%)`
HSL	`hsl(254, 10%, 41%)`
HSV / HSB	`hsv(254, 18%, 45%)`
CMYK	`cmyk(14%, 18%, 0%, 55%)`
CIE LAB	`lab(41.46, 6.59, -11.12)`
CIE LCH	`lch(41.46, 12.92, 300.66)`
CIE XYZ	`xyz(12.499, 12.155, 18.207)`
Decimal	`6578036`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645F74, 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 #645F74	Ratio	AA	AAA	AA large
Sample text	3.43:1	Fail	Fail	Pass
Sample text	6.12:1	Pass	Fail	Pass

#645F74 as text on	Ratio	AA	AAA	AA large
Sample text	6.12:1	Pass	Fail	Pass
Sample text	3.43:1	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 #645F74 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645f74; }
.text { color: #645f74; }
.border { border: 2px solid #645f74; }
.transparent { background-color: rgb(100 95 116 / 50%); }
.gradient { background: linear-gradient(to right, #645f74, #6e5f74); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #645F74?: #645F74 is a grayish violet, closest to the named color Smoky. It belongs to the gray family of colors.
What is the RGB value of #645F74?: The RGB value is 100, 95, 116: 100 red, 95 green and 116 blue on a 0 to 255 scale.
What is the complementary color of #645F74?: The complementary color is #6F745F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645F74?: White text. Black text has a contrast ratio of 3.43:1 and white text 6.12:1. WCAG asks for at least 4.5:1 for normal text.