black

#000000

#FF554F

#FF554F

Contrast Ratio

6.66:1

Delta E

96.38

Very Different

50:50 Mix

Color Values

Format #000000 #FF554F
HEX #000000 #FF554F
RGB 0, 0, 0 255, 85, 79
HSL 0.0, 0.0%, 0.0% 2.0, 100.0%, 65.5%
HSV 0.0, 0.0%, 0.0% 2.0, 69.0%, 100.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 66.7%, 69.0%, 0.0%
OKLCH 0.0 0.0 0.0 0.6813 0.2071 26.2

Contrast & Accessibility

6.66:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #FF554F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #FF554F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #FF554F);
background: linear-gradient(135deg, #000000, #FF554F);

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