black

#000000

#81BCEB

#81BCEB

Contrast Ratio

10.33:1

Delta E

79.84

Very Different

50:50 Mix

Color Values

Format #000000 #81BCEB
HEX #000000 #81BCEB
RGB 0, 0, 0 129, 188, 235
HSL 0.0, 0.0%, 0.0% 206.6, 72.6%, 71.4%
HSV 0.0, 0.0%, 0.0% 206.6, 45.1%, 92.2%
CMYK 0%, 0%, 0%, 100% 45.1%, 20.0%, 0.0%, 7.8%
OKLCH 0.0 0.0 0.0 0.7724 0.0912 243.4

Contrast & Accessibility

10.33:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #81BCEB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #81BCEB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #81BCEB);
background: linear-gradient(135deg, #000000, #81BCEB);

Explore Each Color

Related Comparisons