black

#000000

#278B5D

#278B5D

Contrast Ratio

4.94:1

Delta E

67.1

Very Different

50:50 Mix

Color Values

Format #000000 #278B5D
HEX #000000 #278B5D
RGB 0, 0, 0 39, 139, 93
HSL 0.0, 0.0%, 0.0% 152.4, 56.2%, 34.9%
HSV 0.0, 0.0%, 0.0% 152.4, 71.9%, 54.5%
CMYK 0%, 0%, 0%, 100% 71.9%, 0.0%, 33.1%, 45.5%
OKLCH 0.0 0.0 0.0 0.568 0.1158 158.8

Contrast & Accessibility

4.94:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #278B5D β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #278B5D

Color Difference (Delta E)

67.1 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #278B5D);
background: linear-gradient(135deg, #000000, #278B5D);

Explore Each Color

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