black

#000000

#FF4551

#FF4551

Contrast Ratio

6.22:1

Delta E

97.72

Very Different

50:50 Mix

Color Values

Format #000000 #FF4551
HEX #000000 #FF4551
RGB 0, 0, 0 255, 69, 81
HSL 0.0, 0.0%, 0.0% 356.1, 100.0%, 63.5%
HSV 0.0, 0.0%, 0.0% 356.1, 72.9%, 100.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 72.9%, 68.2%, 0.0%
OKLCH 0.0 0.0 0.0 0.6662 0.221 22.4

Contrast & Accessibility

6.22:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #FF4551 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #FF4551

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #FF4551);
background: linear-gradient(135deg, #000000, #FF4551);

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