black

#000000

#218B99

#218B99

Contrast Ratio

5.22:1

Delta E

60.25

Very Different

50:50 Mix

Color Values

Format #000000 #218B99
HEX #000000 #218B99
RGB 0, 0, 0 33, 139, 153
HSL 0.0, 0.0%, 0.0% 187.0, 64.5%, 36.5%
HSV 0.0, 0.0%, 0.0% 187.0, 78.4%, 60.0%
CMYK 0%, 0%, 0%, 100% 78.4%, 9.2%, 0.0%, 40.0%
OKLCH 0.0 0.0 0.0 0.586 0.0926 208.4

Contrast & Accessibility

5.22:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #218B99 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #218B99

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #218B99);
background: linear-gradient(135deg, #000000, #218B99);

Explore Each Color

Related Comparisons