black

#000000

#F0643F

#F0643F

Contrast Ratio

6.6:1

Delta E

92.3

Very Different

50:50 Mix

Color Values

Format #000000 #F0643F
HEX #000000 #F0643F
RGB 0, 0, 0 240, 100, 63
HSL 0.0, 0.0%, 0.0% 12.5, 85.5%, 59.4%
HSV 0.0, 0.0%, 0.0% 12.5, 73.8%, 94.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 58.3%, 73.8%, 5.9%
OKLCH 0.0 0.0 0.0 0.6739 0.1808 35.7

Contrast & Accessibility

6.6:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F0643F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #F0643F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F0643F);
background: linear-gradient(135deg, #000000, #F0643F);

Explore Each Color

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