black

#000000

#63B9CD

#63B9CD

Contrast Ratio

9.35:1

Delta E

75.8

Very Different

50:50 Mix

Color Values

Format #000000 #63B9CD
HEX #000000 #63B9CD
RGB 0, 0, 0 99, 185, 205
HSL 0.0, 0.0%, 0.0% 191.3, 51.5%, 59.6%
HSV 0.0, 0.0%, 0.0% 191.3, 51.7%, 80.4%
CMYK 0%, 0%, 0%, 100% 51.7%, 9.8%, 0.0%, 19.6%
OKLCH 0.0 0.0 0.0 0.7394 0.0878 214.7

Contrast & Accessibility

9.35:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #63B9CD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #63B9CD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #63B9CD);
background: linear-gradient(135deg, #000000, #63B9CD);

Explore Each Color

Related Comparisons