#51747F color
The hex color #51747F is a grayish cyan.
In the RGB color model it is made of 31.8% red, 45.5% green and 49.8% blue (81, 116, 127).
Its hue angle is 194°, with 22% saturation and 41% lightness. For print, the CMYK equivalent is 36% cyan, 9% magenta, 0% yellow and 50% black.
The closest named color is Hydro (#49747F), a difference of 2 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 5.05:1).
#51747F color codes
| HEX | #51747F | |
|---|---|---|
| RGB | rgb(81, 116, 127) | |
| RGB percent | rgb(31.8%, 45.5%, 49.8%) | |
| HSL | hsl(194, 22%, 41%) | |
| HSV / HSB | hsv(194, 36%, 50%) | |
| CMYK | cmyk(36%, 9%, 0%, 50%) | |
| CIE LAB | lab(46.67, -9.47, -10.02) | |
| CIE LCH | lch(46.67, 13.79, 226.62) | |
| CIE XYZ | xyz(13.468, 15.772, 22.409) | |
| Decimal | 5338239 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #51747F, 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 #51747F | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.15:1 | Fail | Fail | Pass |
| Sample text | 5.05:1 | Pass | Fail | Pass |
| #51747F as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.05:1 | Pass | Fail | Pass |
| Sample text | 4.15:1 | Fail | 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 #51747F looks to people with the most common types of color vision deficiency.
#6d7280Protanopia
no red cones#666c7fDeuteranopia
no green cones#407877Tritanopia
no blue cones#6f6f6fAchromatopsia
no color vision
CSS examples
.background { background-color: #51747f; }
.text { color: #51747f; }
.border { border: 2px solid #51747f; }
.transparent { background-color: rgb(81 116 127 / 50%); }
.gradient { background: linear-gradient(to right, #51747f, #515d7f); }
Similar colors
#49747fHydro#4b7079Winter Storm#5d7b89Night Owl#5e7b7fNorth Atlantic#4e7376Rogue Waters#3d7188Calypso#3e7a85Mysterious Blue#657d82Catfish
Closest common color name: Slate Gray.
Questions
- What color is #51747F?
- #51747F is a grayish cyan, closest to the named color Hydro. It belongs to the teal family of colors.
- What is the RGB value of #51747F?
- The RGB value is 81, 116, 127: 81 red, 116 green and 127 blue on a 0 to 255 scale.
- What is the complementary color of #51747F?
- The complementary color is #7F5C51, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #51747F?
- White text. Black text has a contrast ratio of 4.15:1 and white text 5.05:1. WCAG asks for at least 4.5:1 for normal text.