black

#000000

#309EB3

#309EB3

Contrast Ratio

6.67:1

Delta E

67.53

Very Different

50:50 Mix

Color Values

Format #000000 #309EB3
HEX #000000 #309EB3
RGB 0, 0, 0 48, 158, 179
HSL 0.0, 0.0%, 0.0% 189.6, 57.7%, 44.5%
HSV 0.0, 0.0%, 0.0% 189.6, 73.2%, 70.2%
CMYK 0%, 0%, 0%, 100% 73.2%, 11.7%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.6476 0.1002 213.3

Contrast & Accessibility

6.67:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #309EB3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #309EB3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #309EB3);
background: linear-gradient(135deg, #000000, #309EB3);

Explore Each Color

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