black

#000000

#F02F0F

#F02F0F

Contrast Ratio

5.12:1

Delta E

106.88

Very Different

50:50 Mix

Color Values

Format #000000 #F02F0F
HEX #000000 #F02F0F
RGB 0, 0, 0 240, 47, 15
HSL 0.0, 0.0%, 0.0% 8.5, 88.2%, 50.0%
HSV 0.0, 0.0%, 0.0% 8.5, 93.8%, 94.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 80.4%, 93.8%, 5.9%
OKLCH 0.0 0.0 0.0 0.6175 0.2295 31.6

Contrast & Accessibility

5.12:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F02F0F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #F02F0F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F02F0F);
background: linear-gradient(135deg, #000000, #F02F0F);

Explore Each Color

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