What color is #645F98?

#645F98 is a grayish blue, closest to the named color Wizard’s Potion. It belongs to the blue family of colors.

What is the RGB value of #645F98?

The RGB value is 100, 95, 152: 100 red, 95 green and 152 blue on a 0 to 255 scale.

What is the complementary color of #645F98?

The complementary color is #93985F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645F98?

White text. Black text has a contrast ratio of 3.63:1 and white text 5.78:1. WCAG asks for at least 4.5:1 for normal text.

#645F98 color

#645F98 rgb(100, 95, 152)

Shades of blue

The hex color #645F98 is a grayish blue.

In the RGB color model it is made of 39.2% red, 37.3% green and 59.6% blue (100, 95, 152).

Its hue angle is 245°, with 23% saturation and 48% lightness. For print, the CMYK equivalent is 34% cyan, 38% magenta, 0% yellow and 40% black.

The closest named color is Wizard’s Potion (#5D6098), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.78:1).

#645F98 color codes

HEX	`#645F98`
RGB	`rgb(100, 95, 152)`
RGB percent	`rgb(39.2%, 37.3%, 59.6%)`
HSL	`hsl(245, 23%, 48%)`
HSV / HSB	`hsv(245, 38%, 60%)`
CMYK	`cmyk(34%, 38%, 0%, 40%)`
CIE LAB	`lab(43, 15.96, -30.47)`
CIE LCH	`lch(43, 34.4, 297.64)`
CIE XYZ	`xyz(15.014, 13.16, 31.449)`
Decimal	`6578072`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645F98, 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 #645F98	Ratio	AA	AAA	AA large
Sample text	3.63:1	Fail	Fail	Pass
Sample text	5.78:1	Pass	Fail	Pass

#645F98 as text on	Ratio	AA	AAA	AA large
Sample text	5.78:1	Pass	Fail	Pass
Sample text	3.63:1	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 #645F98 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645f98; }
.text { color: #645f98; }
.border { border: 2px solid #645f98; }
.transparent { background-color: rgb(100 95 152 / 50%); }
.gradient { background: linear-gradient(to right, #645f98, #815f98); }

Background

Text color

Border

Similar colors

Closest common color name: Royal Purple.

Questions

What color is #645F98?: #645F98 is a grayish blue, closest to the named color Wizard’s Potion. It belongs to the blue family of colors.
What is the RGB value of #645F98?: The RGB value is 100, 95, 152: 100 red, 95 green and 152 blue on a 0 to 255 scale.
What is the complementary color of #645F98?: The complementary color is #93985F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645F98?: White text. Black text has a contrast ratio of 3.63:1 and white text 5.78:1. WCAG asks for at least 4.5:1 for normal text.