black

#000000

#665ECF

#665ECF

Contrast Ratio

4.07:1

Delta E

81.06

Very Different

50:50 Mix

Color Values

Format #000000 #665ECF
HEX #000000 #665ECF
RGB 0, 0, 0 102, 94, 207
HSL 0.0, 0.0%, 0.0% 244.2, 54.1%, 59.0%
HSV 0.0, 0.0%, 0.0% 244.2, 54.6%, 81.2%
CMYK 0%, 0%, 0%, 100% 50.7%, 54.6%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.5488 0.1689 282.5

Contrast & Accessibility

4.07:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #665ECF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #665ECF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #665ECF);
background: linear-gradient(135deg, #000000, #665ECF);

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