What color is #638A8A?

#638A8A is a grayish cyan, closest to the named color Juniper. It belongs to the teal family of colors.

What is the RGB value of #638A8A?

The RGB value is 99, 138, 138: 99 red, 138 green and 138 blue on a 0 to 255 scale.

What is the complementary color of #638A8A?

The complementary color is #8A6363, found by rotating the hue 180° on the color wheel.

Is black or white text better on #638A8A?

Black text. Black text has a contrast ratio of 5.53:1 and white text 3.8:1. WCAG asks for at least 4.5:1 for normal text.

#638A8A color

#638A8A rgb(99, 138, 138)

Shades of teal

The hex color #638A8A is a grayish cyan.

In the RGB color model it is made of 38.8% red, 54.1% green and 54.1% blue (99, 138, 138).

Its hue angle is 180°, with 16% saturation and 46% lightness. For print, the CMYK equivalent is 28% cyan, 0% magenta, 0% yellow and 46% black.

The closest named color is Juniper (#6D9292), a difference of 3 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 5.53:1).

#638A8A color codes

HEX	`#638A8A`
RGB	`rgb(99, 138, 138)`
RGB percent	`rgb(38.8%, 54.1%, 54.1%)`
HSL	`hsl(180, 16%, 46%)`
HSV / HSB	`hsv(180, 28%, 54%)`
CMYK	`cmyk(28%, 0%, 0%, 46%)`
CIE LAB	`lab(54.72, -13.42, -4.36)`
CIE LCH	`lch(54.72, 14.11, 198.02)`
CIE XYZ	`xyz(18.82, 22.664, 27.423)`
Decimal	`6523530`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #638A8A, 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 #638A8A	Ratio	AA	AAA	AA large
Sample text	5.53:1	Pass	Fail	Pass
Sample text	3.8:1	Fail	Fail	Pass

#638A8A as text on	Ratio	AA	AAA	AA large
Sample text	3.8:1	Fail	Fail	Pass
Sample text	5.53:1	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 #638A8A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #638a8a; }
.text { color: #638a8a; }
.border { border: 2px solid #638a8a; }
.transparent { background-color: rgb(99 138 138 / 50%); }
.gradient { background: linear-gradient(to right, #638a8a, #63768a); }

Background

Text color

Border

Similar colors

Questions

What color is #638A8A?: #638A8A is a grayish cyan, closest to the named color Juniper. It belongs to the teal family of colors.
What is the RGB value of #638A8A?: The RGB value is 99, 138, 138: 99 red, 138 green and 138 blue on a 0 to 255 scale.
What is the complementary color of #638A8A?: The complementary color is #8A6363, found by rotating the hue 180° on the color wheel.
Is black or white text better on #638A8A?: Black text. Black text has a contrast ratio of 5.53:1 and white text 3.8:1. WCAG asks for at least 4.5:1 for normal text.