black

#000000

#337BB9

#337BB9

Contrast Ratio

4.67:1

Delta E

63.43

Very Different

50:50 Mix

Color Values

Format #000000 #337BB9
HEX #000000 #337BB9
RGB 0, 0, 0 51, 123, 185
HSL 0.0, 0.0%, 0.0% 207.8, 56.8%, 46.3%
HSV 0.0, 0.0%, 0.0% 207.8, 72.4%, 72.5%
CMYK 0%, 0%, 0%, 100% 72.4%, 33.5%, 0.0%, 27.5%
OKLCH 0.0 0.0 0.0 0.567 0.1197 247.8

Contrast & Accessibility

4.67:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #337BB9 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #337BB9

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #337BB9);
background: linear-gradient(135deg, #000000, #337BB9);

Explore Each Color

Related Comparisons