black

#000000

#247F8C

#247F8C

Contrast Ratio

4.49:1

Delta E

55.3

Very Different

50:50 Mix

Color Values

Format #000000 #247F8C
HEX #000000 #247F8C
RGB 0, 0, 0 36, 127, 140
HSL 0.0, 0.0%, 0.0% 187.5, 59.1%, 34.5%
HSV 0.0, 0.0%, 0.0% 187.5, 74.3%, 54.9%
CMYK 0%, 0%, 0%, 100% 74.3%, 9.3%, 0.0%, 45.1%
OKLCH 0.0 0.0 0.0 0.5504 0.0841 209.0

Contrast & Accessibility

4.49:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #247F8C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #247F8C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #247F8C);
background: linear-gradient(135deg, #000000, #247F8C);

Explore Each Color

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