black

#000000

#646DDA

#646DDA

Contrast Ratio

4.74:1

Delta E

80.9

Very Different

50:50 Mix

Color Values

Format #000000 #646DDA
HEX #000000 #646DDA
RGB 0, 0, 0 100, 109, 218
HSL 0.0, 0.0%, 0.0% 235.4, 61.5%, 62.4%
HSV 0.0, 0.0%, 0.0% 235.4, 54.1%, 85.5%
CMYK 0%, 0%, 0%, 100% 54.1%, 50.0%, 0.0%, 14.5%
OKLCH 0.0 0.0 0.0 0.5825 0.1642 276.5

Contrast & Accessibility

4.74:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #646DDA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #646DDA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #646DDA);
background: linear-gradient(135deg, #000000, #646DDA);

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