black

#000000

#637CC7

#637CC7

Contrast Ratio

5.24:1

Delta E

68.72

Very Different

50:50 Mix

Color Values

Format #000000 #637CC7
HEX #000000 #637CC7
RGB 0, 0, 0 99, 124, 199
HSL 0.0, 0.0%, 0.0% 225.0, 47.2%, 58.4%
HSV 0.0, 0.0%, 0.0% 225.0, 50.3%, 78.0%
CMYK 0%, 0%, 0%, 100% 50.3%, 37.7%, 0.0%, 22.0%
OKLCH 0.0 0.0 0.0 0.6004 0.1183 268.7

Contrast & Accessibility

5.24:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #637CC7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #637CC7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #637CC7);
background: linear-gradient(135deg, #000000, #637CC7);

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