black

#000000

#287F8F

#287F8F

Contrast Ratio

4.52:1

Delta E

55.3

Very Different

50:50 Mix

Color Values

Format #000000 #287F8F
HEX #000000 #287F8F
RGB 0, 0, 0 40, 127, 143
HSL 0.0, 0.0%, 0.0% 189.3, 56.3%, 35.9%
HSV 0.0, 0.0%, 0.0% 189.3, 72.0%, 56.1%
CMYK 0%, 0%, 0%, 100% 72.0%, 11.2%, 0.0%, 43.9%
OKLCH 0.0 0.0 0.0 0.5527 0.0834 212.4

Contrast & Accessibility

4.52:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #287F8F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #287F8F

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, #287F8F);
background: linear-gradient(135deg, #000000, #287F8F);

Explore Each Color

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