#645F5E color
The hex color #645F5E is a gray.
In the RGB color model it is made of 39.2% red, 37.3% green and 36.9% blue (100, 95, 94).
Its hue angle is 10°, with 3% saturation and 38% lightness. For print, the CMYK equivalent is 0% cyan, 5% magenta, 6% yellow and 61% black.
The closest named color is Caveman (#625C58), a difference of 2.1 ΔE, a small difference.
White text is the more readable choice on this background (contrast 6.29:1).
#645F5E color codes
| HEX | #645F5E | |
|---|---|---|
| RGB | rgb(100, 95, 94) | |
| RGB percent | rgb(39.2%, 37.3%, 36.9%) | |
| HSL | hsl(10, 3%, 38%) | |
| HSV / HSB | hsv(10, 6%, 39%) | |
| CMYK | cmyk(0%, 5%, 6%, 61%) | |
| CIE LAB | lab(40.74, 1.79, 1.28) | |
| CIE LCH | lch(40.74, 2.2, 35.66) | |
| CIE XYZ | xyz(11.368, 11.702, 12.247) | |
| Decimal | 6578014 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #645F5E, 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 #645F5E | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.34:1 | Fail | Fail | Pass |
| Sample text | 6.29:1 | Pass | Fail | Pass |
| #645F5E as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 6.29:1 | Pass | Fail | Pass |
| Sample text | 3.34:1 | 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 #645F5E looks to people with the most common types of color vision deficiency.
#605f5eProtanopia
no red cones#61605eDeuteranopia
no green cones#655e5fTritanopia
no blue cones#606060Achromatopsia
no color vision
CSS examples
.background { background-color: #645f5e; }
.text { color: #645f5e; }
.border { border: 2px solid #645f5e; }
.transparent { background-color: rgb(100 95 94 / 50%); }
.gradient { background: linear-gradient(to right, #645f5e, #64625e); }
Similar colors
#625c58Caveman#5e5e5eIron#5e5755Smokescreen#5f5854Bark#5c5d5dKnight’s Armour#605e63Cloak Gray#635d63Wonder Wine#696969Dim Gray
Questions
- What color is #645F5E?
- #645F5E is a gray, closest to the named color Caveman. It belongs to the gray family of colors.
- What is the RGB value of #645F5E?
- The RGB value is 100, 95, 94: 100 red, 95 green and 94 blue on a 0 to 255 scale.
- What is the complementary color of #645F5E?
- The complementary color is #5E6364, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #645F5E?
- White text. Black text has a contrast ratio of 3.34:1 and white text 6.29:1. WCAG asks for at least 4.5:1 for normal text.