#665DAB color
The hex color #665DAB is a desaturated blue.
In the RGB color model it is made of 40% red, 36.5% green and 67.1% blue (102, 93, 171).
Its hue angle is 247°, with 32% saturation and 52% lightness. For print, the CMYK equivalent is 40% cyan, 46% magenta, 0% yellow and 33% black.
The closest named color is Simply Purple (#715BB1), a difference of 2.8 ΔE, a small difference.
White text is the more readable choice on this background (contrast 5.65:1).
#665DAB color codes
| HEX | #665DAB | |
|---|---|---|
| RGB | rgb(102, 93, 171) | |
| RGB percent | rgb(40%, 36.5%, 67.1%) | |
| HSL | hsl(247, 32%, 52%) | |
| HSV / HSB | hsv(247, 46%, 67%) | |
| CMYK | cmyk(40%, 46%, 0%, 33%) | |
| CIE LAB | lab(43.64, 23.2, -40.72) | |
| CIE LCH | lch(43.64, 46.86, 299.67) | |
| CIE XYZ | xyz(16.742, 13.593, 40.262) | |
| Decimal | 6708651 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #665DAB, 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 #665DAB | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.72:1 | Fail | Fail | Pass |
| Sample text | 5.65:1 | Pass | Fail | Pass |
| #665DAB as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.65:1 | Pass | Fail | Pass |
| Sample text | 3.72:1 | 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 #665DAB looks to people with the most common types of color vision deficiency.
#4069aeProtanopia
no red cones#3f65a9Deuteranopia
no green cones#536d7cTritanopia
no blue cones#676767Achromatopsia
no color vision
CSS examples
.background { background-color: #665dab; }
.text { color: #665dab; }
.border { border: 2px solid #665dab; }
.transparent { background-color: rgb(102 93 171 / 50%); }
.gradient { background: linear-gradient(to right, #665dab, #8d5dab); }
Similar colors
#715bb1Simply Purple#6f58a6Prophet Violet#6f63a0Scampi#5d6098Wizard’s Potion#5d66aaBellflower#654ea3Ultrapurple Merge#6f5698Passion Flower#636ca8Twinkle Night
Closest common color name: Slate Blue.
Questions
- What color is #665DAB?
- #665DAB is a desaturated blue, closest to the named color Simply Purple. It belongs to the blue family of colors.
- What is the RGB value of #665DAB?
- The RGB value is 102, 93, 171: 102 red, 93 green and 171 blue on a 0 to 255 scale.
- What is the complementary color of #665DAB?
- The complementary color is #A2AB5D, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #665DAB?
- White text. Black text has a contrast ratio of 3.72:1 and white text 5.65:1. WCAG asks for at least 4.5:1 for normal text.