black

#000000

#F10505

#F10505

Contrast Ratio

4.76:1

Delta E

111.2

Very Different

50:50 Mix

Color Values

Format #000000 #F10505
HEX #000000 #F10505
RGB 0, 0, 0 241, 5, 5
HSL 0.0, 0.0%, 0.0% 0.0, 95.9%, 48.2%
HSV 0.0, 0.0%, 0.0% 0.0, 97.9%, 94.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 97.9%, 97.9%, 5.5%
OKLCH 0.0 0.0 0.0 0.6028 0.2458 29.1

Contrast & Accessibility

4.76:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F10505 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #F10505

Color Difference (Delta E)

111.2 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, #F10505);
background: linear-gradient(135deg, #000000, #F10505);

Explore Each Color

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