black

#000000

#287BAB

#287BAB

Contrast Ratio

4.51:1

Delta E

59.32

Very Different

50:50 Mix

Color Values

Format #000000 #287BAB
HEX #000000 #287BAB
RGB 0, 0, 0 40, 123, 171
HSL 0.0, 0.0%, 0.0% 202.0, 62.1%, 41.4%
HSV 0.0, 0.0%, 0.0% 202.0, 76.6%, 67.1%
CMYK 0%, 0%, 0%, 100% 76.6%, 28.1%, 0.0%, 32.9%
OKLCH 0.0 0.0 0.0 0.5561 0.1075 238.9

Contrast & Accessibility

4.51:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #287BAB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #287BAB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons