black

#000000

#307F8A

#307F8A

Contrast Ratio

4.53:1

Delta E

54.66

Very Different

50:50 Mix

Color Values

Format #000000 #307F8A
HEX #000000 #307F8A
RGB 0, 0, 0 48, 127, 138
HSL 0.0, 0.0%, 0.0% 187.3, 48.4%, 36.5%
HSV 0.0, 0.0%, 0.0% 187.3, 65.2%, 54.1%
CMYK 0%, 0%, 0%, 100% 65.2%, 8.0%, 0.0%, 45.9%
OKLCH 0.0 0.0 0.0 0.553 0.0773 208.0

Contrast & Accessibility

4.53:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #307F8A → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #307F8A

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #307F8A);
background: linear-gradient(135deg, #000000, #307F8A);

Explore Each Color

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