black

#000000

#2399BA

#2399BA

Contrast Ratio

6.34:1

Delta E

67.21

Very Different

50:50 Mix

Color Values

Format #000000 #2399BA
HEX #000000 #2399BA
RGB 0, 0, 0 35, 153, 186
HSL 0.0, 0.0%, 0.0% 193.1, 68.3%, 43.3%
HSV 0.0, 0.0%, 0.0% 193.1, 81.2%, 72.9%
CMYK 0%, 0%, 0%, 100% 81.2%, 17.7%, 0.0%, 27.1%
OKLCH 0.0 0.0 0.0 0.6356 0.109 222.0

Contrast & Accessibility

6.34:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #2399BA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #2399BA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #2399BA);
background: linear-gradient(135deg, #000000, #2399BA);

Explore Each Color

Related Comparisons