black

#000000

#237FDC

#237FDC

Contrast Ratio

5.14:1

Delta E

76.31

Very Different

50:50 Mix

Color Values

Format #000000 #237FDC
HEX #000000 #237FDC
RGB 0, 0, 0 35, 127, 220
HSL 0.0, 0.0%, 0.0% 210.2, 72.5%, 50.0%
HSV 0.0, 0.0%, 0.0% 210.2, 84.1%, 86.3%
CMYK 0%, 0%, 0%, 100% 84.1%, 42.3%, 0.0%, 13.7%
OKLCH 0.0 0.0 0.0 0.593 0.1642 253.0

Contrast & Accessibility

5.14:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #237FDC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #237FDC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #237FDC);
background: linear-gradient(135deg, #000000, #237FDC);

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