#648688 color

#648688 rgb(100, 134, 136)
Shades of gray

The hex color #648688 is a grayish cyan.

In the RGB color model it is made of 39.2% red, 52.5% green and 53.3% blue (100, 134, 136).

Its hue angle is 183°, with 15% saturation and 46% lightness. For print, the CMYK equivalent is 26% cyan, 1% magenta, 0% yellow and 47% black.

The closest named color is Arctic (#648589), a difference of 1.2 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 5.31:1).

#648688 color codes

HEX#648688
RGBrgb(100, 134, 136)
RGB percentrgb(39.2%, 52.5%, 53.3%)
HSLhsl(183, 15%, 46%)
HSV / HSBhsv(183, 26%, 53%)
CMYKcmyk(26%, 1%, 0%, 47%)
CIE LABlab(53.53, -11.39, -4.96)
CIE LCHlch(53.53, 12.43, 203.55)
CIE XYZxyz(18.223, 21.536, 26.485)
Decimal6588040
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #648688, 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 #648688RatioAAAAAAA large
Sample text5.31:1PassFailPass
Sample text3.96:1FailFailPass
#648688 as text onRatioAAAAAAA large
Sample text3.96:1FailFailPass
Sample text5.31:1PassFailPass

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 #648688 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #648688; }
.text { color: #648688; }
.border { border: 2px solid #648688; }
.transparent { background-color: rgb(100 134 136 / 50%); }
.gradient { background: linear-gradient(to right, #648688, #647488); }
Background
Text color
Border

Similar colors

Questions

What color is #648688?
#648688 is a grayish cyan, closest to the named color Arctic. It belongs to the gray family of colors.
What is the RGB value of #648688?
The RGB value is 100, 134, 136: 100 red, 134 green and 136 blue on a 0 to 255 scale.
What is the complementary color of #648688?
The complementary color is #886664, found by rotating the hue 180° on the color wheel.
Is black or white text better on #648688?
Black text. Black text has a contrast ratio of 5.31:1 and white text 3.96:1. WCAG asks for at least 4.5:1 for normal text.