black

#000000

#237CCF

#237CCF

Contrast Ratio

4.86:1

Delta E

71.56

Very Different

50:50 Mix

Color Values

Format #000000 #237CCF
HEX #000000 #237CCF
RGB 0, 0, 0 35, 124, 207
HSL 0.0, 0.0%, 0.0% 209.0, 71.1%, 47.5%
HSV 0.0, 0.0%, 0.0% 209.0, 83.1%, 81.2%
CMYK 0%, 0%, 0%, 100% 83.1%, 40.1%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.578 0.151 251.2

Contrast & Accessibility

4.86:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #237CCF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #237CCF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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