black

#000000

#663BDF

#663BDF

Contrast Ratio

3.26:1

Delta E

103.95

Very Different

50:50 Mix

Color Values

Format #000000 #663BDF
HEX #000000 #663BDF
RGB 0, 0, 0 102, 59, 223
HSL 0.0, 0.0%, 0.0% 255.7, 71.9%, 55.3%
HSV 0.0, 0.0%, 0.0% 255.7, 73.5%, 87.5%
CMYK 0%, 0%, 0%, 100% 54.3%, 73.5%, 0.0%, 12.5%
OKLCH 0.0 0.0 0.0 0.5088 0.2309 287.0

Contrast & Accessibility

3.26:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #663BDF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #663BDF

Color Difference (Delta E)

103.95 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #663BDF);
background: linear-gradient(135deg, #000000, #663BDF);

Explore Each Color

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