black

#000000

#137C8F

#137C8F

Contrast Ratio

4.31:1

Delta E

55.04

Very Different

50:50 Mix

Color Values

Format #000000 #137C8F
HEX #000000 #137C8F
RGB 0, 0, 0 19, 124, 143
HSL 0.0, 0.0%, 0.0% 189.2, 76.5%, 31.8%
HSV 0.0, 0.0%, 0.0% 189.2, 86.7%, 56.1%
CMYK 0%, 0%, 0%, 100% 86.7%, 13.3%, 0.0%, 43.9%
OKLCH 0.0 0.0 0.0 0.5407 0.0908 214.0

Contrast & Accessibility

4.31:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #137C8F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #137C8F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #137C8F);
background: linear-gradient(135deg, #000000, #137C8F);

Explore Each Color

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