black

#000000

#428B7C

#428B7C

Contrast Ratio

5.22:1

Delta E

59.37

Very Different

50:50 Mix

Color Values

Format #000000 #428B7C
HEX #000000 #428B7C
RGB 0, 0, 0 66, 139, 124
HSL 0.0, 0.0%, 0.0% 167.7, 35.6%, 40.2%
HSV 0.0, 0.0%, 0.0% 167.7, 52.5%, 54.5%
CMYK 0%, 0%, 0%, 100% 52.5%, 0.0%, 10.8%, 45.5%
OKLCH 0.0 0.0 0.0 0.5854 0.0771 178.2

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: #428B7C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #428B7C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #428B7C);
background: linear-gradient(135deg, #000000, #428B7C);

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