What color is #638689?

#638689 is a grayish cyan, closest to the named color Arctic. It belongs to the gray family of colors.

What is the RGB value of #638689?

The RGB value is 99, 134, 137: 99 red, 134 green and 137 blue on a 0 to 255 scale.

What is the complementary color of #638689?

The complementary color is #896663, found by rotating the hue 180° on the color wheel.

Is black or white text better on #638689?

Black text. Black text has a contrast ratio of 5.3:1 and white text 3.96:1. WCAG asks for at least 4.5:1 for normal text.

#638689 color

#638689 rgb(99, 134, 137)

Shades of gray

The hex color #638689 is a grayish cyan.

In the RGB color model it is made of 38.8% red, 52.5% green and 53.7% blue (99, 134, 137).

Its hue angle is 185°, with 16% saturation and 46% lightness. For print, the CMYK equivalent is 28% cyan, 2% magenta, 0% yellow and 46% black.

The closest named color is Arctic (#648589), a difference of 0.9 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 5.3:1).

#638689 color codes

HEX	`#638689`
RGB	`rgb(99, 134, 137)`
RGB percent	`rgb(38.8%, 52.5%, 53.7%)`
HSL	`hsl(185, 16%, 46%)`
HSV / HSB	`hsv(185, 28%, 54%)`
CMYK	`cmyk(28%, 2%, 0%, 46%)`
CIE LAB	`lab(53.5, -11.46, -5.6)`
CIE LCH	`lch(53.5, 12.76, 206.02)`
CIE XYZ	`xyz(18.185, 21.508, 26.855)`
Decimal	`6522505`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #638689, 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 #638689	Ratio	AA	AAA	AA large
Sample text	5.3:1	Pass	Fail	Pass
Sample text	3.96:1	Fail	Fail	Pass

#638689 as text on	Ratio	AA	AAA	AA large
Sample text	3.96:1	Fail	Fail	Pass
Sample text	5.3:1	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 #638689 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #638689; }
.text { color: #638689; }
.border { border: 2px solid #638689; }
.transparent { background-color: rgb(99 134 137 / 50%); }
.gradient { background: linear-gradient(to right, #638689, #637389); }

Background

Text color

Border

Similar colors

Questions

What color is #638689?: #638689 is a grayish cyan, closest to the named color Arctic. It belongs to the gray family of colors.
What is the RGB value of #638689?: The RGB value is 99, 134, 137: 99 red, 134 green and 137 blue on a 0 to 255 scale.
What is the complementary color of #638689?: The complementary color is #896663, found by rotating the hue 180° on the color wheel.
Is black or white text better on #638689?: Black text. Black text has a contrast ratio of 5.3:1 and white text 3.96:1. WCAG asks for at least 4.5:1 for normal text.