What color is #64878B?

#64878B is a grayish cyan, closest to the named color Arctic. It belongs to the gray family of colors.

What is the RGB value of #64878B?

The RGB value is 100, 135, 139: 100 red, 135 green and 139 blue on a 0 to 255 scale.

What is the complementary color of #64878B?

The complementary color is #8B6864, found by rotating the hue 180° on the color wheel.

Is black or white text better on #64878B?

Black text. Black text has a contrast ratio of 5.38:1 and white text 3.9:1. WCAG asks for at least 4.5:1 for normal text.

#64878B color

#64878B rgb(100, 135, 139)

Shades of gray

The hex color #64878B is a grayish cyan.

In the RGB color model it is made of 39.2% red, 52.9% green and 54.5% blue (100, 135, 139).

Its hue angle is 186°, with 16% saturation and 47% lightness. For print, the CMYK equivalent is 28% cyan, 3% magenta, 0% yellow and 45% black.

The closest named color is Arctic (#648589), a difference of 0.8 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 5.38:1).

#64878B color codes

HEX	`#64878B`
RGB	`rgb(100, 135, 139)`
RGB percent	`rgb(39.2%, 52.9%, 54.5%)`
HSL	`hsl(186, 16%, 47%)`
HSV / HSB	`hsv(186, 28%, 55%)`
CMYK	`cmyk(28%, 3%, 0%, 45%)`
CIE LAB	`lab(53.92, -11.21, -6.13)`
CIE LCH	`lch(53.92, 12.78, 208.66)`
CIE XYZ	`xyz(18.578, 21.9, 27.669)`
Decimal	`6588299`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #64878B, 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 #64878B	Ratio	AA	AAA	AA large
Sample text	5.38:1	Pass	Fail	Pass
Sample text	3.9:1	Fail	Fail	Pass

#64878B as text on	Ratio	AA	AAA	AA large
Sample text	3.9:1	Fail	Fail	Pass
Sample text	5.38:1	Pass	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 #64878B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #64878b; }
.text { color: #64878b; }
.border { border: 2px solid #64878b; }
.transparent { background-color: rgb(100 135 139 / 50%); }
.gradient { background: linear-gradient(to right, #64878b, #64738b); }

Background

Text color

Border

Similar colors

Questions

What color is #64878B?: #64878B is a grayish cyan, closest to the named color Arctic. It belongs to the gray family of colors.
What is the RGB value of #64878B?: The RGB value is 100, 135, 139: 100 red, 135 green and 139 blue on a 0 to 255 scale.
What is the complementary color of #64878B?: The complementary color is #8B6864, found by rotating the hue 180° on the color wheel.
Is black or white text better on #64878B?: Black text. Black text has a contrast ratio of 5.38:1 and white text 3.9:1. WCAG asks for at least 4.5:1 for normal text.