black

#000000

#288B7C

#288B7C

Contrast Ratio

5.07:1

Delta E

61.14

Very Different

50:50 Mix

Color Values

Format #000000 #288B7C
HEX #000000 #288B7C
RGB 0, 0, 0 40, 139, 124
HSL 0.0, 0.0%, 0.0% 170.9, 55.3%, 35.1%
HSV 0.0, 0.0%, 0.0% 170.9, 71.2%, 54.5%
CMYK 0%, 0%, 0%, 100% 71.2%, 0.0%, 10.8%, 45.5%
OKLCH 0.0 0.0 0.0 0.5769 0.0921 180.6

Contrast & Accessibility

5.07:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #288B7C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #288B7C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #288B7C);
background: linear-gradient(135deg, #000000, #288B7C);

Explore Each Color

Related Comparisons