black

#000000

#30737F

#30737F

Contrast Ratio

3.88:1

Delta E

49.74

Very Different

50:50 Mix

Color Values

Format #000000 #30737F
HEX #000000 #30737F
RGB 0, 0, 0 48, 115, 127
HSL 0.0, 0.0%, 0.0% 189.1, 45.1%, 34.3%
HSV 0.0, 0.0%, 0.0% 189.1, 62.2%, 49.8%
CMYK 0%, 0%, 0%, 100% 62.2%, 9.4%, 0.0%, 50.2%
OKLCH 0.0 0.0 0.0 0.5177 0.0695 211.1

Contrast & Accessibility

3.88:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #30737F β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #30737F

Color Difference (Delta E)

49.74 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, #30737F);
background: linear-gradient(135deg, #000000, #30737F);

Explore Each Color

Related Comparisons