black

#000000

#636EB7

#636EB7

Contrast Ratio

4.44:1

Delta E

64.77

Very Different

50:50 Mix

Color Values

Format #000000 #636EB7
HEX #000000 #636EB7
RGB 0, 0, 0 99, 110, 183
HSL 0.0, 0.0%, 0.0% 232.1, 36.8%, 55.3%
HSV 0.0, 0.0%, 0.0% 232.1, 45.9%, 71.8%
CMYK 0%, 0%, 0%, 100% 45.9%, 39.9%, 0.0%, 28.2%
OKLCH 0.0 0.0 0.0 0.5622 0.1134 275.6

Contrast & Accessibility

4.44:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636EB7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636EB7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #636EB7);
background: linear-gradient(135deg, #000000, #636EB7);

Explore Each Color

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