black

#000000

#237CAF

#237CAF

Contrast Ratio

4.57:1

Delta E

60.56

Very Different

50:50 Mix

Color Values

Format #000000 #237CAF
HEX #000000 #237CAF
RGB 0, 0, 0 35, 124, 175
HSL 0.0, 0.0%, 0.0% 201.9, 66.7%, 41.2%
HSV 0.0, 0.0%, 0.0% 201.9, 80.0%, 68.6%
CMYK 0%, 0%, 0%, 100% 80.0%, 29.1%, 0.0%, 31.4%
OKLCH 0.0 0.0 0.0 0.5594 0.1128 239.3

Contrast & Accessibility

4.57:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #237CAF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #237CAF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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