#647978 color

#647978 rgb(100, 121, 120)
Shades of gray

The hex color #647978 is a grayish cyan.

In the RGB color model it is made of 39.2% red, 47.5% green and 47.1% blue (100, 121, 120).

Its hue angle is 177°, with 10% saturation and 43% lightness. For print, the CMYK equivalent is 17% cyan, 0% magenta, 1% yellow and 53% black.

The closest named color is North Atlantic (#5E7B7F), a difference of 3.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 4.62:1).

#647978 color codes

HEX#647978
RGBrgb(100, 121, 120)
RGB percentrgb(39.2%, 47.5%, 47.1%)
HSLhsl(177, 10%, 43%)
HSV / HSBhsv(177, 17%, 47%)
CMYKcmyk(17%, 0%, 1%, 53%)
CIE LABlab(49.18, -7.88, -2.02)
CIE LCHlch(49.18, 8.13, 194.36)
CIE XYZxyz(15.482, 17.74, 20.374)
Decimal6584696
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #647978, 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 #647978RatioAAAAAAA large
Sample text4.55:1PassFailPass
Sample text4.62:1PassFailPass
#647978 as text onRatioAAAAAAA large
Sample text4.62:1PassFailPass
Sample text4.55:1PassFailPass

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 #647978 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #647978; }
.text { color: #647978; }
.border { border: 2px solid #647978; }
.transparent { background-color: rgb(100 121 120 / 50%); }
.gradient { background: linear-gradient(to right, #647978, #647079); }
Background
Text color
Border

Similar colors

Closest common color name: Smoke.

Questions

What color is #647978?
#647978 is a grayish cyan, closest to the named color North Atlantic. It belongs to the gray family of colors.
What is the RGB value of #647978?
The RGB value is 100, 121, 120: 100 red, 121 green and 120 blue on a 0 to 255 scale.
What is the complementary color of #647978?
The complementary color is #796465, found by rotating the hue 180° on the color wheel.
Is black or white text better on #647978?
White text. Black text has a contrast ratio of 4.55:1 and white text 4.62:1. WCAG asks for at least 4.5:1 for normal text.