black

#000000

#646DCD

#646DCD

Contrast Ratio

4.61:1

Delta E

74.81

Very Different

50:50 Mix

Color Values

Format #000000 #646DCD
HEX #000000 #646DCD
RGB 0, 0, 0 100, 109, 205
HSL 0.0, 0.0%, 0.0% 234.9, 51.2%, 59.8%
HSV 0.0, 0.0%, 0.0% 234.9, 51.2%, 80.4%
CMYK 0%, 0%, 0%, 100% 51.2%, 46.8%, 0.0%, 19.6%
OKLCH 0.0 0.0 0.0 0.5741 0.1461 276.7

Contrast & Accessibility

4.61:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #646DCD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #646DCD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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