black

#000000

#378C9F

#378C9F

Contrast Ratio

5.41:1

Delta E

60.08

Very Different

50:50 Mix

Color Values

Format #000000 #378C9F
HEX #000000 #378C9F
RGB 0, 0, 0 55, 140, 159
HSL 0.0, 0.0%, 0.0% 191.0, 48.6%, 42.0%
HSV 0.0, 0.0%, 0.0% 191.0, 65.4%, 62.4%
CMYK 0%, 0%, 0%, 100% 65.4%, 11.9%, 0.0%, 37.6%
OKLCH 0.0 0.0 0.0 0.5967 0.0851 215.1

Contrast & Accessibility

5.41:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378C9F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378C9F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378C9F);
background: linear-gradient(135deg, #000000, #378C9F);

Explore Each Color

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