black

#000000

#F00F2F

#F00F2F

Contrast Ratio

4.81:1

Delta E

102.45

Very Different

50:50 Mix

Color Values

Format #000000 #F00F2F
HEX #000000 #F00F2F
RGB 0, 0, 0 240, 15, 47
HSL 0.0, 0.0%, 0.0% 351.5, 88.2%, 50.0%
HSV 0.0, 0.0%, 0.0% 351.5, 93.8%, 94.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 93.8%, 80.4%, 5.9%
OKLCH 0.0 0.0 0.0 0.6053 0.2404 24.2

Contrast & Accessibility

4.81:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F00F2F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #F00F2F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F00F2F);
background: linear-gradient(135deg, #000000, #F00F2F);

Explore Each Color

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