black

#000000

#636AB2

#636AB2

Contrast Ratio

4.24:1

Delta E

63.52

Very Different

50:50 Mix

Color Values

Format #000000 #636AB2
HEX #000000 #636AB2
RGB 0, 0, 0 99, 106, 178
HSL 0.0, 0.0%, 0.0% 234.7, 33.9%, 54.3%
HSV 0.0, 0.0%, 0.0% 234.7, 44.4%, 69.8%
CMYK 0%, 0%, 0%, 100% 44.4%, 40.4%, 0.0%, 30.2%
OKLCH 0.0 0.0 0.0 0.5511 0.1116 277.9

Contrast & Accessibility

4.24:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636AB2 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636AB2

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #636AB2);
background: linear-gradient(135deg, #000000, #636AB2);

Explore Each Color

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