black

#000000

#287DAD

#287DAD

Contrast Ratio

4.63:1

Delta E

60.0

Very Different

50:50 Mix

Color Values

Format #000000 #287DAD
HEX #000000 #287DAD
RGB 0, 0, 0 40, 125, 173
HSL 0.0, 0.0%, 0.0% 201.7, 62.4%, 41.8%
HSV 0.0, 0.0%, 0.0% 201.7, 76.9%, 67.8%
CMYK 0%, 0%, 0%, 100% 76.9%, 27.7%, 0.0%, 32.2%
OKLCH 0.0 0.0 0.0 0.562 0.1083 238.3

Contrast & Accessibility

4.63:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #287DAD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #287DAD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #287DAD);
background: linear-gradient(135deg, #000000, #287DAD);

Explore Each Color

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