black

#000000

#636DBD

#636DBD

Contrast Ratio

4.45:1

Delta E

67.57

Very Different

50:50 Mix

Color Values

Format #000000 #636DBD
HEX #000000 #636DBD
RGB 0, 0, 0 99, 109, 189
HSL 0.0, 0.0%, 0.0% 233.3, 40.5%, 56.5%
HSV 0.0, 0.0%, 0.0% 233.3, 47.6%, 74.1%
CMYK 0%, 0%, 0%, 100% 47.6%, 42.3%, 0.0%, 25.9%
OKLCH 0.0 0.0 0.0 0.5636 0.1235 276.3

Contrast & Accessibility

4.45:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636DBD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636DBD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #636DBD);
background: linear-gradient(135deg, #000000, #636DBD);

Explore Each Color

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