#6633AA
#6633AA
Purples · #63a is the three-digit shorthand for #6633AA. In CSS the two notations mean the same color.
| HEX | #6633AA |
|---|---|
| RGB | 102, 51, 170 |
| HSL | 266°, 54%, 43% |
| CMYK | 40%, 70%, 0%, 33% |
| Relative luminance | 0.08 |
Tap a code to copy it
Text contrast
Aa
On white
8.02:1 Passes AA
Aa
On black
2.62:1 Below AA
Colours that work with it
Complement
#76A932
Analogous
#323AA9#A132A9
Triadic
#A96632#32A966
Shade scale
50100200300400500600700800
Seen with colour blindness
ProtanopiaDeuteranopiaTritanopia
How to read this
- A hex code writes red, green and blue as two hexadecimal digits each. #ff0000 is red at full strength and the others at zero.
- HSL states hue (0–360°), saturation and lightness. Nudging a colour brighter means changing one number, which is why it is easier to work with by hand.
- Text contrast follows WCAG. Body-size text needs 4.5:1 or better, and 21:1 between white and black is the maximum possible.
- The colour-blindness row computes how this colour appears under three types of colour vision deficiency — the reason never to encode information in colour alone.
Frequently asked questions
Q. Are #63a and #6633AA the same color?
Yes. CSS doubles each digit of a three-digit hex, so #63a expands to #6633AA. Only 4,096 colors can be written in three digits, and this is one of them.
Q. What text color works on #6633AA?
White text. Contrast against white is 8.02:1 and against black 2.62:1, so pick the larger one — WCAG asks for 4.5:1 at body size.
Q. Which named color is closest to #6633AA?
Grape. It is not an exact match, so where color matters use the hex code itself rather than the name.