black

#000000

#21808B

#21808B

Contrast Ratio

4.53:1

Delta E

55.75

Very Different

50:50 Mix

Color Values

Format #000000 #21808B
HEX #000000 #21808B
RGB 0, 0, 0 33, 128, 139
HSL 0.0, 0.0%, 0.0% 186.2, 61.6%, 33.7%
HSV 0.0, 0.0%, 0.0% 186.2, 76.3%, 54.5%
CMYK 0%, 0%, 0%, 100% 76.3%, 7.9%, 0.0%, 45.5%
OKLCH 0.0 0.0 0.0 0.5519 0.0854 206.6

Contrast & Accessibility

4.53:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21808B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21808B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21808B);
background: linear-gradient(135deg, #000000, #21808B);

Explore Each Color

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