#645C47 color
The hex color #645C47 is a dark, grayish orange.
In the RGB color model it is made of 39.2% red, 36.1% green and 27.8% blue (100, 92, 71).
Its hue angle is 43°, with 17% saturation and 34% lightness. For print, the CMYK equivalent is 0% cyan, 8% magenta, 29% yellow and 61% black.
The closest named color is Ivy Topiary (#67614F), a difference of 2.3 ΔE, a small difference.
White text is the more readable choice on this background (contrast 6.64:1).
#645C47 color codes
| HEX | #645C47 | |
|---|---|---|
| RGB | rgb(100, 92, 71) | |
| RGB percent | rgb(39.2%, 36.1%, 27.8%) | |
| HSL | hsl(43, 17%, 34%) | |
| HSV / HSB | hsv(43, 29%, 39%) | |
| CMYK | cmyk(0%, 8%, 29%, 61%) | |
| CIE LAB | lab(39.27, -0.49, 13.28) | |
| CIE LCH | lch(39.27, 13.29, 92.1) | |
| CIE XYZ | xyz(10.22, 10.819, 7.51) | |
| Decimal | 6577223 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #645C47, 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 #645C47 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.16:1 | Fail | Fail | Pass |
| Sample text | 6.64:1 | Pass | Fail | Pass |
| #645C47 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 6.64:1 | Pass | Fail | Pass |
| Sample text | 3.16:1 | 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 #645C47 looks to people with the most common types of color vision deficiency.
#615b46Protanopia
no red cones#635d48Deuteranopia
no green cones#695956Tritanopia
no blue cones#5c5c5cAchromatopsia
no color vision
CSS examples
.background { background-color: #645c47; }
.text { color: #645c47; }
.border { border: 2px solid #645c47; }
.transparent { background-color: rgb(100 92 71 / 50%); }
.gradient { background: linear-gradient(to right, #645c47, #5e6447); }
Similar colors
#67614fIvy Topiary#6b6047Ochicha Latte#5f5537Olive Bark#665b4eAncient Oak#726854Treasure Chest#73624aHeavy Brown#61584fMetropolis#605244Volcanic Island
Closest common color name: Ebony.
Questions
- What color is #645C47?
- #645C47 is a dark, grayish orange, closest to the named color Ivy Topiary. It belongs to the brown family of colors.
- What is the RGB value of #645C47?
- The RGB value is 100, 92, 71: 100 red, 92 green and 71 blue on a 0 to 255 scale.
- What is the complementary color of #645C47?
- The complementary color is #474F64, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #645C47?
- White text. Black text has a contrast ratio of 3.16:1 and white text 6.64:1. WCAG asks for at least 4.5:1 for normal text.