black

#000000

#636FFF

#636FFF

Contrast Ratio

5.25:1

Delta E

98.09

Very Different

50:50 Mix

Color Values

Format #000000 #636FFF
HEX #000000 #636FFF
RGB 0, 0, 0 99, 111, 255
HSL 0.0, 0.0%, 0.0% 235.4, 100.0%, 69.4%
HSV 0.0, 0.0%, 0.0% 235.4, 61.2%, 100.0%
CMYK 0%, 0%, 0%, 100% 61.2%, 56.5%, 0.0%, 0.0%
OKLCH 0.0 0.0 0.0 0.6116 0.2112 274.7

Contrast & Accessibility

5.25:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636FFF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636FFF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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