#648B8A color

#648B8A rgb(100, 139, 138)
Shades of teal

The hex color #648B8A is a grayish cyan.

In the RGB color model it is made of 39.2% red, 54.5% green and 54.1% blue (100, 139, 138).

Its hue angle is 178°, with 16% saturation and 47% lightness. For print, the CMYK equivalent is 28% cyan, 0% magenta, 1% yellow and 45% black.

The closest named color is Juniper (#6D9292), a difference of 2.8 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 5.6:1).

#648B8A color codes

HEX#648B8A
RGBrgb(100, 139, 138)
RGB percentrgb(39.2%, 54.5%, 54.1%)
HSLhsl(178, 16%, 47%)
HSV / HSBhsv(178, 28%, 55%)
CMYKcmyk(28%, 0%, 1%, 45%)
CIE LABlab(55.08, -13.65, -3.83)
CIE LCHlch(55.08, 14.18, 195.67)
CIE XYZxyz(19.074, 23.009, 27.476)
Decimal6589322
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #648B8A, 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 #648B8ARatioAAAAAAA large
Sample text5.6:1PassFailPass
Sample text3.75:1FailFailPass
#648B8A as text onRatioAAAAAAA large
Sample text3.75:1FailFailPass
Sample text5.6:1PassFailPass

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 #648B8A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #648b8a; }
.text { color: #648b8a; }
.border { border: 2px solid #648b8a; }
.transparent { background-color: rgb(100 139 138 / 50%); }
.gradient { background: linear-gradient(to right, #648b8a, #64798b); }
Background
Text color
Border

Similar colors

Questions

What color is #648B8A?
#648B8A is a grayish cyan, closest to the named color Juniper. It belongs to the teal family of colors.
What is the RGB value of #648B8A?
The RGB value is 100, 139, 138: 100 red, 139 green and 138 blue on a 0 to 255 scale.
What is the complementary color of #648B8A?
The complementary color is #8B6465, found by rotating the hue 180° on the color wheel.
Is black or white text better on #648B8A?
Black text. Black text has a contrast ratio of 5.6:1 and white text 3.75:1. WCAG asks for at least 4.5:1 for normal text.