black

#000000

#307C8B

#307C8B

Contrast Ratio

4.38:1

Delta E

53.65

Very Different

50:50 Mix

Color Values

Format #000000 #307C8B
HEX #000000 #307C8B
RGB 0, 0, 0 48, 124, 139
HSL 0.0, 0.0%, 0.0% 189.9, 48.7%, 36.7%
HSV 0.0, 0.0%, 0.0% 189.9, 65.5%, 54.5%
CMYK 0%, 0%, 0%, 100% 65.5%, 10.8%, 0.0%, 45.5%
OKLCH 0.0 0.0 0.0 0.5458 0.0769 212.9

Contrast & Accessibility

4.38:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #307C8B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #307C8B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #307C8B);
background: linear-gradient(135deg, #000000, #307C8B);

Explore Each Color

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