black

#000000

#337BA9

#337BA9

Contrast Ratio

4.55:1

Delta E

58.58

Very Different

50:50 Mix

Color Values

Format #000000 #337BA9
HEX #000000 #337BA9
RGB 0, 0, 0 51, 123, 169
HSL 0.0, 0.0%, 0.0% 203.4, 53.6%, 43.1%
HSV 0.0, 0.0%, 0.0% 203.4, 69.8%, 66.3%
CMYK 0%, 0%, 0%, 100% 69.8%, 27.2%, 0.0%, 33.7%
OKLCH 0.0 0.0 0.0 0.5584 0.1008 240.2

Contrast & Accessibility

4.55:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #337BA9 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #337BA9

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #337BA9);
background: linear-gradient(135deg, #000000, #337BA9);

Explore Each Color

Related Comparisons