black

#000000

#FF4948

#FF4948

Contrast Ratio

6.3:1

Delta E

98.9

Very Different

50:50 Mix

Color Values

Format #000000 #FF4948
HEX #000000 #FF4948
RGB 0, 0, 0 255, 73, 72
HSL 0.0, 0.0%, 0.0% 0.3, 100.0%, 64.1%
HSV 0.0, 0.0%, 0.0% 0.3, 71.8%, 100.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 71.4%, 71.8%, 0.0%
OKLCH 0.0 0.0 0.0 0.6685 0.2186 25.6

Contrast & Accessibility

6.3:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #FF4948 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #FF4948

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #FF4948);
background: linear-gradient(135deg, #000000, #FF4948);

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