black

#000000

#337AAA

#337AAA

Contrast Ratio

4.51:1

Delta E

58.78

Very Different

50:50 Mix

Color Values

Format #000000 #337AAA
HEX #000000 #337AAA
RGB 0, 0, 0 51, 122, 170
HSL 0.0, 0.0%, 0.0% 204.2, 53.8%, 43.3%
HSV 0.0, 0.0%, 0.0% 204.2, 70.0%, 66.7%
CMYK 0%, 0%, 0%, 100% 70.0%, 28.2%, 0.0%, 33.3%
OKLCH 0.0 0.0 0.0 0.5565 0.1027 241.6

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: #337AAA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #337AAA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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