black

#000000

#2197B8

#2197B8

Contrast Ratio

6.18:1

Delta E

66.52

Very Different

50:50 Mix

Color Values

Format #000000 #2197B8
HEX #000000 #2197B8
RGB 0, 0, 0 33, 151, 184
HSL 0.0, 0.0%, 0.0% 193.1, 69.6%, 42.5%
HSV 0.0, 0.0%, 0.0% 193.1, 82.1%, 72.2%
CMYK 0%, 0%, 0%, 100% 82.1%, 17.9%, 0.0%, 27.8%
OKLCH 0.0 0.0 0.0 0.6294 0.1087 222.2

Contrast & Accessibility

6.18:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #2197B8 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #2197B8

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #2197B8);
background: linear-gradient(135deg, #000000, #2197B8);

Explore Each Color

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