black

#000000

#218F90

#218F90

Contrast Ratio

5.4:1

Delta E

61.84

Very Different

50:50 Mix

Color Values

Format #000000 #218F90
HEX #000000 #218F90
RGB 0, 0, 0 33, 143, 144
HSL 0.0, 0.0%, 0.0% 180.5, 62.7%, 34.7%
HSV 0.0, 0.0%, 0.0% 180.5, 77.1%, 56.5%
CMYK 0%, 0%, 0%, 100% 77.1%, 0.7%, 0.0%, 43.5%
OKLCH 0.0 0.0 0.0 0.5927 0.0932 195.9

Contrast & Accessibility

5.4:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #218F90 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #218F90

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #218F90);
background: linear-gradient(135deg, #000000, #218F90);

Explore Each Color

Related Comparisons