black

#000000

#636DB4

#636DB4

Contrast Ratio

4.38:1

Delta E

63.72

Very Different

50:50 Mix

Color Values

Format #000000 #636DB4
HEX #000000 #636DB4
RGB 0, 0, 0 99, 109, 180
HSL 0.0, 0.0%, 0.0% 232.6, 35.1%, 54.7%
HSV 0.0, 0.0%, 0.0% 232.6, 45.0%, 70.6%
CMYK 0%, 0%, 0%, 100% 45.0%, 39.4%, 0.0%, 29.4%
OKLCH 0.0 0.0 0.0 0.5584 0.1104 276.1

Contrast & Accessibility

4.38:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636DB4 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636DB4

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #636DB4);
background: linear-gradient(135deg, #000000, #636DB4);

Explore Each Color

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