black

#000000

#636ADD

#636ADD

Contrast Ratio

4.64:1

Delta E

83.36

Very Different

50:50 Mix

Color Values

Format #000000 #636ADD
HEX #000000 #636ADD
RGB 0, 0, 0 99, 106, 221
HSL 0.0, 0.0%, 0.0% 236.6, 64.2%, 62.7%
HSV 0.0, 0.0%, 0.0% 236.6, 55.2%, 86.7%
CMYK 0%, 0%, 0%, 100% 55.2%, 52.0%, 0.0%, 13.3%
OKLCH 0.0 0.0 0.0 0.5782 0.1725 276.9

Contrast & Accessibility

4.64:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636ADD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636ADD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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