black

#000000

#309C8F

#309C8F

Contrast Ratio

6.28:1

Delta E

67.22

Very Different

50:50 Mix

Color Values

Format #000000 #309C8F
HEX #000000 #309C8F
RGB 0, 0, 0 48, 156, 143
HSL 0.0, 0.0%, 0.0% 172.8, 52.9%, 40.0%
HSV 0.0, 0.0%, 0.0% 172.8, 69.2%, 61.2%
CMYK 0%, 0%, 0%, 100% 69.2%, 0.0%, 8.3%, 38.8%
OKLCH 0.0 0.0 0.0 0.6292 0.0978 183.5

Contrast & Accessibility

6.28:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #309C8F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #309C8F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #309C8F);
background: linear-gradient(135deg, #000000, #309C8F);

Explore Each Color

Related Comparisons