black

#000000

#51ACCC

#51ACCC

Contrast Ratio

8.12:1

Delta E

72.75

Very Different

50:50 Mix

Color Values

Format #000000 #51ACCC
HEX #000000 #51ACCC
RGB 0, 0, 0 81, 172, 204
HSL 0.0, 0.0%, 0.0% 195.6, 54.7%, 55.9%
HSV 0.0, 0.0%, 0.0% 195.6, 60.3%, 80.0%
CMYK 0%, 0%, 0%, 100% 60.3%, 15.7%, 0.0%, 20.0%
OKLCH 0.0 0.0 0.0 0.7016 0.0979 224.0

Contrast & Accessibility

8.12:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51ACCC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51ACCC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons