black

#000000

#21686F

#21686F

Contrast Ratio

3.27:1

Delta E

45.7

Very Different

50:50 Mix

Color Values

Format #000000 #21686F
HEX #000000 #21686F
RGB 0, 0, 0 33, 104, 111
HSL 0.0, 0.0%, 0.0% 185.4, 54.2%, 28.2%
HSV 0.0, 0.0%, 0.0% 185.4, 70.3%, 43.5%
CMYK 0%, 0%, 0%, 100% 70.3%, 6.3%, 0.0%, 56.5%
OKLCH 0.0 0.0 0.0 0.4771 0.0693 204.5

Contrast & Accessibility

3.27:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21686F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21686F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21686F);
background: linear-gradient(135deg, #000000, #21686F);

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