black

#000000

#21BCD0

#21BCD0

Contrast Ratio

9.17:1

Delta E

79.23

Very Different

50:50 Mix

Color Values

Format #000000 #21BCD0
HEX #000000 #21BCD0
RGB 0, 0, 0 33, 188, 208
HSL 0.0, 0.0%, 0.0% 186.9, 72.6%, 47.3%
HSV 0.0, 0.0%, 0.0% 186.9, 84.1%, 81.6%
CMYK 0%, 0%, 0%, 100% 84.1%, 9.6%, 0.0%, 18.4%
OKLCH 0.0 0.0 0.0 0.73 0.1205 208.8

Contrast & Accessibility

9.17:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21BCD0 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21BCD0

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21BCD0);
background: linear-gradient(135deg, #000000, #21BCD0);

Explore Each Color

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