Colour
#528B8B
- #528B8B
- Cyan
- Dark
- Nearest: Cadetblue
#528B8B is a cyan with RGB values 82, 139, 139 and HSL 180°, 26%, 43%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#528B8B#528B8B
HEX#528B8B
RGBrgb(82, 139, 139)
RGB (0–1)0.3216, 0.5451, 0.5451
RGB percentages32.2%, 54.5%, 54.5%
HSLhsl(180, 25.8%, 43.3%)
HSV / HSBhsv(180, 41%, 54.5%)
CMYK41%, 0%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,409,675
CSS custom property--colour: #528B8B;
Brightness & contrast
Relative luminance0.22123WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.42:1
Contrast with white3.87:1WCAG normal text: Fail
Contrast with black5.42:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#AD7474
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.87:1WCAG large text: AA
Contrast with black, large text5.42:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8B5252
Analogous#528B6F, #526F8B
Triadic#8B528B, #8B8B52
Split complementary#8B526F, #8B6F52
Tetradic#6F528B, #8B5252, #6F8B52
Tints, shades & saturation
Channel breakdown
R82
G139
B139
Red82 (32.2%)
Green139 (54.5%)
Blue139 (54.5%)
Hue180°
Saturation (HSL)25.79%
Lightness43.33%
Dominant channelGreen and Blue
Hex per channelR 52 · G 8B · B 8B
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