Colors

#663399

Rebecca Purple

Rebecca Purple is #663399. In CSS you can write it as the keyword rebeccapurple. The values below are the same sRGB color in HEX, RGB, HSL, HSV, a simple CMYK conversion, and OKLCH. CMYK here is a channel formula for reference, not a press proof.

Conversions

HEX
#663399
RGB
rgb(102, 51, 153)
HSL
hsl(270,50%,40%)
HSV
hsv(270, 67%, 60%)
CMYK
cmyk(33,67,0,40)
OKLCH
oklch(44.0% 0.160 303.4)

Tints and shades

Tints mix this color toward white. Shades mix it toward black in sRGB. For a 50–950 ramp, open the tint and shade generator.

Tints

#855CAD

20% white

#A385C2

40% white

#C2ADD6

60% white

#E0D6EB

80% white

Shades

#52297A

20% black

#3D1F5C

40% black

#29143D

60% black

#140A1F

80% black

Harmony palettes

These schemes rotate hue from Rebecca Purple. Read the relationships in color theory 101 or adjust them on the color wheel.

Complementary

Open in palette generator

#663399

#669933

#8C64B4

#8CB464

#403050

Analogous

Open in palette generator

#333399

#663399

#993399

#993366

#3B6691

Triadic

Open in palette generator

#663399

#996633

#339966

#B48C64

#32674D

Split Complementary

Open in palette generator

#663399

#999933

#339933

#997AB8

#405030

Monochromatic

Open in palette generator

#331A4D

#592D86

#8040BF

#A679D2

#CCB3E6

Tetradic

Open in palette generator

#663399

#993333

#669933

#339999

#AC5D5D

Contrast against white and black

Ratios use the WCAG relative-luminance formula. AA normal text needs 4.5:1 and large text needs 3:1 under Success Criterion 1.4.3. AAA uses 7:1 and 4.5:1. A pass here is only this pair, not a full page audit. Check other pairings in the contrast checker.

On white · 8.41:1
AA normal text Pass
AA large text Pass
AAA normal text Pass
AAA large text Pass
On black · 2.50:1
AA normal text Fail
AA large text Fail
AAA normal text Fail
AAA large text Fail

Similar named colors

Nearest CSS named colors by RGB distance. Distance is not a perceptual match.

Use this color