black

#000000

#273F7F

#273F7F

Contrast Ratio

2.1:1

Delta E

50.0

Very Different

50:50 Mix

Color Values

Format #000000 #273F7F
HEX #000000 #273F7F
RGB 0, 0, 0 39, 63, 127
HSL 0.0, 0.0%, 0.0% 223.6, 53.0%, 32.5%
HSV 0.0, 0.0%, 0.0% 223.6, 69.3%, 49.8%
CMYK 0%, 0%, 0%, 100% 69.3%, 50.4%, 0.0%, 50.2%
OKLCH 0.0 0.0 0.0 0.3855 0.1122 265.9

Contrast & Accessibility

2.1:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #273F7F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #273F7F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #273F7F);
background: linear-gradient(135deg, #000000, #273F7F);

Explore Each Color

Related Comparisons