black

#000000

#557BCC

#557BCC

Contrast Ratio

5.09:1

Delta E

70.6

Very Different

50:50 Mix

Color Values

Format #000000 #557BCC
HEX #000000 #557BCC
RGB 0, 0, 0 85, 123, 204
HSL 0.0, 0.0%, 0.0% 220.8, 53.8%, 56.7%
HSV 0.0, 0.0%, 0.0% 220.8, 58.3%, 80.0%
CMYK 0%, 0%, 0%, 100% 58.3%, 39.7%, 0.0%, 20.0%
OKLCH 0.0 0.0 0.0 0.5929 0.1315 263.9

Contrast & Accessibility

5.09:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #557BCC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #557BCC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #557BCC);
background: linear-gradient(135deg, #000000, #557BCC);

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