black

#000000

#307D9F

#307D9F

Contrast Ratio

4.56:1

Delta E

56.6

Very Different

50:50 Mix

Color Values

Format #000000 #307D9F
HEX #000000 #307D9F
RGB 0, 0, 0 48, 125, 159
HSL 0.0, 0.0%, 0.0% 198.4, 53.6%, 40.6%
HSV 0.0, 0.0%, 0.0% 198.4, 69.8%, 62.4%
CMYK 0%, 0%, 0%, 100% 69.8%, 21.4%, 0.0%, 37.6%
OKLCH 0.0 0.0 0.0 0.5573 0.0909 230.7

Contrast & Accessibility

4.56:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #307D9F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #307D9F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #307D9F);
background: linear-gradient(135deg, #000000, #307D9F);

Explore Each Color

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