black

#000000

#F40B13

#F40B13

Contrast Ratio

4.9:1

Delta E

110.08

Very Different

50:50 Mix

Color Values

Format #000000 #F40B13
HEX #000000 #F40B13
RGB 0, 0, 0 244, 11, 19
HSL 0.0, 0.0%, 0.0% 357.9, 91.4%, 50.0%
HSV 0.0, 0.0%, 0.0% 357.9, 95.5%, 95.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 95.5%, 92.2%, 4.3%
OKLCH 0.0 0.0 0.0 0.6099 0.2465 28.3

Contrast & Accessibility

4.9:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F40B13 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #F40B13

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F40B13);
background: linear-gradient(135deg, #000000, #F40B13);

Explore Each Color

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