black

#000000

#309C8A

#309C8A

Contrast Ratio

6.25:1

Delta E

67.77

Very Different

50:50 Mix

Color Values

Format #000000 #309C8A
HEX #000000 #309C8A
RGB 0, 0, 0 48, 156, 138
HSL 0.0, 0.0%, 0.0% 170.0, 52.9%, 40.0%
HSV 0.0, 0.0%, 0.0% 170.0, 69.2%, 61.2%
CMYK 0%, 0%, 0%, 100% 69.2%, 0.0%, 11.5%, 38.8%
OKLCH 0.0 0.0 0.0 0.6276 0.1 179.4

Contrast & Accessibility

6.25:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #309C8A → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #309C8A

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #309C8A);
background: linear-gradient(135deg, #000000, #309C8A);

Explore Each Color

Related Comparisons