black

#000000

#3F6863

#3F6863

Contrast Ratio

3.37:1

Delta E

43.91

Very Different

50:50 Mix

Color Values

Format #000000 #3F6863
HEX #000000 #3F6863
RGB 0, 0, 0 63, 104, 99
HSL 0.0, 0.0%, 0.0% 172.7, 24.6%, 32.7%
HSV 0.0, 0.0%, 0.0% 172.7, 39.4%, 40.8%
CMYK 0%, 0%, 0%, 100% 39.4%, 0.0%, 4.8%, 59.2%
OKLCH 0.0 0.0 0.0 0.4855 0.0469 186.0

Contrast & Accessibility

3.37:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F6863 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F6863

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F6863);
background: linear-gradient(135deg, #000000, #3F6863);

Explore Each Color

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