black

#000000

#F63C3D

#F63C3D

Contrast Ratio

5.63:1

Delta E

98.63

Very Different

50:50 Mix

Color Values

Format #000000 #F63C3D
HEX #000000 #F63C3D
RGB 0, 0, 0 246, 60, 61
HSL 0.0, 0.0%, 0.0% 359.7, 91.2%, 60.0%
HSV 0.0, 0.0%, 0.0% 359.7, 75.6%, 96.5%
CMYK 0%, 0%, 0%, 100% 0.0%, 75.6%, 75.2%, 3.5%
OKLCH 0.0 0.0 0.0 0.6409 0.2217 25.9

Contrast & Accessibility

5.63:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F63C3D β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #F63C3D

Color Difference (Delta E)

98.63 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, #F63C3D);
background: linear-gradient(135deg, #000000, #F63C3D);

Explore Each Color

Related Comparisons