black

#000000

#FA5539

#FA5539

Contrast Ratio

6.42:1

Delta E

98.83

Very Different

50:50 Mix

Color Values

Format #000000 #FA5539
HEX #000000 #FA5539
RGB 0, 0, 0 250, 85, 57
HSL 0.0, 0.0%, 0.0% 8.7, 95.1%, 60.2%
HSV 0.0, 0.0%, 0.0% 8.7, 77.2%, 98.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 66.0%, 77.2%, 2.0%
OKLCH 0.0 0.0 0.0 0.6707 0.2057 32.1

Contrast & Accessibility

6.42:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #FA5539 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #FA5539

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #FA5539);
background: linear-gradient(135deg, #000000, #FA5539);

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