black

#000000

#FF1900

#FF1900

Contrast Ratio

5.39:1

Delta E

116.37

Very Different

50:50 Mix

Color Values

Format #000000 #FF1900
HEX #000000 #FF1900
RGB 0, 0, 0 255, 25, 0
HSL 0.0, 0.0%, 0.0% 5.9, 100.0%, 50.0%
HSV 0.0, 0.0%, 0.0% 5.9, 100.0%, 100.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 90.2%, 100.0%, 0.0%
OKLCH 0.0 0.0 0.0 0.6335 0.2525 30.2

Contrast & Accessibility

5.39:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #FF1900 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #FF1900

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #FF1900);
background: linear-gradient(135deg, #000000, #FF1900);

Explore Each Color

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