black

#000000

#307A71

#307A71

Contrast Ratio

4.15:1

Delta E

53.01

Very Different

50:50 Mix

Color Values

Format #000000 #307A71
HEX #000000 #307A71
RGB 0, 0, 0 48, 122, 113
HSL 0.0, 0.0%, 0.0% 172.7, 43.5%, 33.3%
HSV 0.0, 0.0%, 0.0% 172.7, 60.7%, 47.8%
CMYK 0%, 0%, 0%, 100% 60.7%, 0.0%, 7.4%, 52.2%
OKLCH 0.0 0.0 0.0 0.5307 0.0744 184.3

Contrast & Accessibility

4.15:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #307A71 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #307A71

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #307A71);
background: linear-gradient(135deg, #000000, #307A71);

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