black

#000000

#309D8D

#309D8D

Contrast Ratio

6.33:1

Delta E

67.93

Very Different

50:50 Mix

Color Values

Format #000000 #309D8D
HEX #000000 #309D8D
RGB 0, 0, 0 48, 157, 141
HSL 0.0, 0.0%, 0.0% 171.2, 53.2%, 40.2%
HSV 0.0, 0.0%, 0.0% 171.2, 69.4%, 61.6%
CMYK 0%, 0%, 0%, 100% 69.4%, 0.0%, 10.2%, 38.4%
OKLCH 0.0 0.0 0.0 0.6312 0.0996 181.1

Contrast & Accessibility

6.33:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #309D8D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #309D8D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #309D8D);
background: linear-gradient(135deg, #000000, #309D8D);

Explore Each Color

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