#57818F color

#57818F rgb(87, 129, 143)
Shades of blue

The hex color #57818F is a grayish azure.

In the RGB color model it is made of 34.1% red, 50.6% green and 56.1% blue (87, 129, 143).

Its hue angle is 195°, with 24% saturation and 45% lightness. For print, the CMYK equivalent is 39% cyan, 10% magenta, 0% yellow and 44% black.

The closest named color is Horizon (#648894), a difference of 3.2 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 4.94:1).

#57818F color codes

HEX#57818F
RGBrgb(87, 129, 143)
RGB percentrgb(34.1%, 50.6%, 56.1%)
HSLhsl(195, 24%, 45%)
HSV / HSBhsv(195, 39%, 56%)
CMYKcmyk(39%, 10%, 0%, 44%)
CIE LABlab(51.51, -10.72, -12.15)
CIE LCHlch(51.51, 16.2, 228.56)
CIE XYZxyz(16.737, 19.709, 28.904)
Decimal5734799
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #57818F, 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 #57818FRatioAAAAAAA large
Sample text4.94:1PassFailPass
Sample text4.25:1FailFailPass
#57818F as text onRatioAAAAAAA large
Sample text4.25:1FailFailPass
Sample text4.94:1PassFailPass

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 #57818F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #57818f; }
.text { color: #57818f; }
.border { border: 2px solid #57818f; }
.transparent { background-color: rgb(87 129 143 / 50%); }
.gradient { background: linear-gradient(to right, #57818f, #57658f); }
Background
Text color
Border

Similar colors

Closest common color name: Air Force Blue.

Questions

What color is #57818F?
#57818F is a grayish azure, closest to the named color Horizon. It belongs to the blue family of colors.
What is the RGB value of #57818F?
The RGB value is 87, 129, 143: 87 red, 129 green and 143 blue on a 0 to 255 scale.
What is the complementary color of #57818F?
The complementary color is #8F6557, found by rotating the hue 180° on the color wheel.
Is black or white text better on #57818F?
Black text. Black text has a contrast ratio of 4.94:1 and white text 4.25:1. WCAG asks for at least 4.5:1 for normal text.