black

#000000

#F05151

#F05151

Contrast Ratio

6.0:1

Delta E

90.2

Very Different

50:50 Mix

Color Values

Format #000000 #F05151
HEX #000000 #F05151
RGB 0, 0, 0 240, 81, 81
HSL 0.0, 0.0%, 0.0% 0.0, 84.1%, 62.9%
HSV 0.0, 0.0%, 0.0% 0.0, 66.2%, 94.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 66.2%, 66.2%, 5.9%
OKLCH 0.0 0.0 0.0 0.6535 0.1954 24.3

Contrast & Accessibility

6.0:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F05151 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #F05151

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F05151);
background: linear-gradient(135deg, #000000, #F05151);

Explore Each Color

Related Comparisons