black

#000000

#637CC2

#637CC2

Contrast Ratio

5.19:1

Delta E

66.79

Very Different

50:50 Mix

Color Values

Format #000000 #637CC2
HEX #000000 #637CC2
RGB 0, 0, 0 99, 124, 194
HSL 0.0, 0.0%, 0.0% 224.2, 43.8%, 57.5%
HSV 0.0, 0.0%, 0.0% 224.2, 49.0%, 76.1%
CMYK 0%, 0%, 0%, 100% 49.0%, 36.1%, 0.0%, 23.9%
OKLCH 0.0 0.0 0.0 0.5976 0.1112 268.0

Contrast & Accessibility

5.19:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #637CC2 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #637CC2

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #637CC2);
background: linear-gradient(135deg, #000000, #637CC2);

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