black

#000000

#287D7B

#287D7B

Contrast Ratio

4.31:1

Delta E

54.29

Very Different

50:50 Mix

#1C3E3D

Color Values

Format #000000 #287D7B
HEX #000000 #287D7B
RGB 0, 0, 0 40, 125, 123
HSL 0.0, 0.0%, 0.0% 178.6, 51.5%, 32.4%
HSV 0.0, 0.0%, 0.0% 178.6, 68.0%, 49.0%
CMYK 0%, 0%, 0%, 100% 68.0%, 0.0%, 1.6%, 51.0%
OKLCH 0.0 0.0 0.0 0.5396 0.0793 192.8

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: #287D7B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #287D7B

Color Difference (Delta E)

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

Gradient

#000000 #101919 #172B2A #1C3E3D #215251 #256766 #287D7B

Color Mixing

#000000

100%

#142221

75:25

#1C3E3D

50:50

#235D5B

25:75

#287D7B

100%

CSS Gradient Code

background: linear-gradient(to right, #000000, #287D7B);
background: linear-gradient(135deg, #000000, #287D7B);

Explore Each Color

black

View full color details

#287D7B

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