black

#000000

#51CBEE

#51CBEE

Contrast Ratio

11.13:1

Delta E

84.43

Very Different

50:50 Mix

Color Values

Format #000000 #51CBEE
HEX #000000 #51CBEE
RGB 0, 0, 0 81, 203, 238
HSL 0.0, 0.0%, 0.0% 193.4, 82.2%, 62.5%
HSV 0.0, 0.0%, 0.0% 193.4, 66.0%, 93.3%
CMYK 0%, 0%, 0%, 100% 66.0%, 14.7%, 0.0%, 6.7%
OKLCH 0.0 0.0 0.0 0.7876 0.1175 220.3

Contrast & Accessibility

11.13:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51CBEE → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51CBEE

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51CBEE);
background: linear-gradient(135deg, #000000, #51CBEE);

Explore Each Color

Related Comparisons