What color is #638588?

#638588 is a grayish cyan, closest to the named color Arctic. It belongs to the gray family of colors.

What is the RGB value of #638588?

The RGB value is 99, 133, 136: 99 red, 133 green and 136 blue on a 0 to 255 scale.

What is the complementary color of #638588?

The complementary color is #886663, found by rotating the hue 180° on the color wheel.

Is black or white text better on #638588?

Black text. Black text has a contrast ratio of 5.24:1 and white text 4.01:1. WCAG asks for at least 4.5:1 for normal text.

#638588 color

#638588 rgb(99, 133, 136)

Shades of gray

The hex color #638588 is a grayish cyan.

In the RGB color model it is made of 38.8% red, 52.2% green and 53.3% blue (99, 133, 136).

Its hue angle is 185°, with 16% saturation and 46% lightness. For print, the CMYK equivalent is 27% cyan, 2% magenta, 0% yellow and 47% black.

The closest named color is Arctic (#648589), a difference of 0.7 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 5.24:1).

#638588 color codes

HEX	`#638588`
RGB	`rgb(99, 133, 136)`
RGB percent	`rgb(38.8%, 52.2%, 53.3%)`
HSL	`hsl(185, 16%, 46%)`
HSV / HSB	`hsv(185, 27%, 53%)`
CMYK	`cmyk(27%, 2%, 0%, 47%)`
CIE LAB	`lab(53.17, -11.16, -5.5)`
CIE LCH	`lch(53.17, 12.44, 206.26)`
CIE XYZ	`xyz(17.976, 21.204, 26.434)`
Decimal	`6522248`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #638588, 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 #638588	Ratio	AA	AAA	AA large
Sample text	5.24:1	Pass	Fail	Pass
Sample text	4.01:1	Fail	Fail	Pass

#638588 as text on	Ratio	AA	AAA	AA large
Sample text	4.01:1	Fail	Fail	Pass
Sample text	5.24:1	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 #638588 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #638588; }
.text { color: #638588; }
.border { border: 2px solid #638588; }
.transparent { background-color: rgb(99 133 136 / 50%); }
.gradient { background: linear-gradient(to right, #638588, #637388); }

Background

Text color

Border

Similar colors

Closest common color name: Juniper.

Questions

What color is #638588?: #638588 is a grayish cyan, closest to the named color Arctic. It belongs to the gray family of colors.
What is the RGB value of #638588?: The RGB value is 99, 133, 136: 99 red, 133 green and 136 blue on a 0 to 255 scale.
What is the complementary color of #638588?: The complementary color is #886663, found by rotating the hue 180° on the color wheel.
Is black or white text better on #638588?: Black text. Black text has a contrast ratio of 5.24:1 and white text 4.01:1. WCAG asks for at least 4.5:1 for normal text.